With the DirectCU Mini, ASUS has the smallest GeForce GTX 760 on the market to target MiniITX enthusiasts. The concept first introduced with the GeForce GTX 670 Mini seems to have had its success since the manufacturer made a second card of the kind. However, we hope ASUS improved the two major downsides the Mini first of its name had, known as price and noise levels. Let's see!
With the ASUS GeForce GTX 760 DirectCU Mini OC you get a factory
overclocked card which features
a custom PCB as well as a custom cooler. The ASIC quality measured on our sample
was 78.3 % which is a bit higher than average but nothing really special.
About ASIC quality:
ASUS' GeForce GTX 760 DirectCU Mini OC is based on NVIDIA's Kepler GK104-225
A2
chip, which is manufactured by TSMC using the latest 28 nanometer process
technology. With the GeForce GTX 760 you get six SMX units which results in
1'152 CUDA cores. Following the specs further, there are 96 TMUs, 32 ROPs, a
256 Bit wide memory interface and 2 GB of GDDR5 memory.
Frequency wise, since ASUS didn't bother overclocking the memory, the latter stays
clocked at 1'502 MHz (effective 6'008 MHz). On the GPU you find a little factory
overclock with a base clock of 1'006 MHz and a typical boost clock of 1'072 MHz.
That's shy considering that's only 39 MHz on top of the reference boost clock.
However, things get interesting when looking at the actual working frequencies,
during our tests the highest boost clock we measured was 1'149 MHz and the
average boost clock was also 1'149 MHz.
The card also supports GPU Boost 2.0. The first version of GPU Boost stopped
overclocking the GPU when a certain power target was hit. This new second
version of GPU Boost stops overclocking the card, when a certain temperature is
being reached. This makes sense since the temperature is the bigger inhibitor
than the power target in most cases. In this case the temperature target is 80
degrees Celsius. In other words, as long as the GPU runs lower than 80°C it will
keep overclocking until the maximum frequency has been reached. This is why in
our case the average boost clock was 77 MHz higher than the typical boost clock
the manufacturer advertises.
EVGA SC ACX
ASUS DC Mini OC
ASUS DC2 OC
GeForce GTX 760
Chip
GK104-225-A2
GK104-225-A2
GK104-225-A2
GK104-225-A2
Process
28 nm
28 nm
28 nm
28 nm
Transistors
3.54 billion
3.54 billion
3.54 billion
3.54 billion
GPU
clock
1'072 MHz
1'006 MHz
1'006 MHz
980 MHz
GPU Boost
clock
1'137 MHz
1'072 MHz
1'072 MHz
1'033 MHz
Memory GDDR5
2'048 MB
2'048 MB
2'048 MB
2'048 MB
Memory
clock
1'502 (6'008) MHz
1'502 (6'008) MHz
1'502 (6'008) MHz
1'502 (6'008) MHz
Memory
interface
256 Bit
256 Bit
256 Bit
256 Bit
Memory
bandwidth
192'300 MB/s
192'300 MB/s
192'300 MB/s
192'300 MB/s
TMUs
96
96
96
96
Shader Cores
1'152 (6 SMX)
1'152 (6 SMX)
1'152 (6 SMX)
1'152 (6 SMX)
ROPs
32
32
32
32
TDP
170 Watt
xxx Watt
xxx Watt
170 Watt
PCB Type
Custom Design
Custom Design
Custom Design
Reference Design
Lenght (PCB - Total)
24.3 - 24.3 cm
17.5 - 17.5 cm
17.5 - 21.7 cm
17.5 - 24.1 cm
Height (PCB - Total)
11.0 - 11.0 cm
12.1 - 12.1 cm
12.1 - 12.3 cm
11.0 - 11.0 cm
Slots
2
2
2
2
Cooler
EVGA ACX
ASUS DirectCU Mini
ASUS DirectCU II
NVIDIA Reference
MSRP
$XXX
$XXX
$XXX
$249
No surprise here, for its GTX 760 Mini, ASUS makes us of the DirectCU Mini
cooler that was first introduced with the GTX 670 Mini. No modifications have
been made since the cooling performance were good already on the GTX 670 and
the PCB is also the same.
We have to say we like the card much more without the plastic cover like on the
picture below. It has some kind of archaic, industrial appeals.
A closer look at the PCB shows that ASUS makes use of the exact
same PCB you find on the GTX 760 DirectCU II series and the GTX 670 DC Mini. In
this case you get an analog
five phase power design. The GPU gets its current from four phases and the
memory from one. In comparison, nVidia's reference design
features four plus two phases, which means that the memory gets two and not only
one. Don't worry, ASUS' single phase is stronger than nVidia's two phases. Checking the
voltage regulation chip we find a RT8867A 4/3 phase analog PWM controller from
Richtek for the GPU. On the memory side we find a single phase APW7165
controller from Anpec.
In comparison, the reference card from nVidia makes use of a NCP5392P from ON Semiconductor
for the GPU and a Richtek 2-phase analog PWM for the memory.
Also, ASUS decided to equip its card with a single 8pin PCIe (150W) power connector
instead of two 6pin PCIe (2x 75W) power connectors like on the reference card.
The memory chips used are made by Hynix and carry the model number
H5GQ2H24AFR R0C. They are specified to run at 1'500 MHz (6'000 MHz effective).
The card ships well bolstered in a foam made mold.
Bundled with the graphics card there is an user guide, a driver CD that
includes the overclocking tool too and a power adaptor (2x PCIe-6pin to 1x
PCIe-8pin). Apart from that there is nothing else but the card in the box.
Overall we would have loved to see like one game in the bundle or at least DVI
to VGA adapters. Like it's lying here on the table the bundle is really basic
and there is just absolutely nothing special about it.
Idle, temperature is
taken after 15 minutes @ lowest, 50 %, 70 % and 100 % fan speed.
Room Temperature: 25°C
Temperature under
Furmark
For FurMark, temperature is taken
after 15 minutes of GPU Burn test at lowest, 50 %, 70 % and 100 % fan speed.
We stopped the test when the GPU temperature hit 90°C.
Room Temperature: 25°C
Temperature and
fan speed under BattleField 3
For BattleField 3, temperature and fan speed
values taken, are the highest achieved after 1 hour gaming @ auto fan
speed.
The "Performance Index" value is calculated as the sum of all
benchmarks results divided by the amount of games (3DMark and Ungine not
included into the calculation).
Performance/Price
Graphics Cards
Performance Index
Price
(€)
Performance/€*10
AMD Radeon HD 7850
40.82
126
3.59
AMD Radeon HD 7870
48.80
147
3.32
nVidia GeForce GTX 660
46.52
148
3.14
nVidia GeForce GTX 650 Ti Boost
40.25
130
3.10
nVidia GeForce GTX 650 Ti
30.06
100
3.01
nVidia GeForce GTX 660 Ti
51.99
177
2.94
EVGA GeForce GTX 760 SC ACX
63.65
219
2.91
nVidia GeForce GTX 670
60.30
253
2.86
AMD Radeon HD
6870
30.93
110
2.81
ASUS GeForce GTX 760 DC2 OC
61.58
229
2.69
nVidia GeForce GTX 760
55.93
213
2.63
ASUS GeForce GTX 760 DC Mini OC
61.58
238
2.59
nVidia GeForce GTX 680
66.70
285
2.34
AMD Radeon HD 7970 GHz Edition
68.30
298
2.29
AMD Radeon HD 7970
62.05
271
2.29
nVidia GeForce GTX 770
69.98
325
2.15
AMD Radeon HD 6950
35.91
169
2.12
nVidia GeForce GTX 580
49.35
248
1.99
nVidia GeForce GTX 780
79.80
499
1.60
AMD Radeon HD
6970
40.13
281
1.43
AMD Radeon HD
6990
73.04
661
1.10
nVidia GeForce GTX TITAN
85.50
832
1.03
More is better
Less is better
More is better
For the price we took the lowest price available on geizhals.eu,
on the day the review has been published.
Overall ASUS did a great job with their ultra compact GTX 760 DirectCU
Mini. Even though it's not as complicated to come up with a small form
factor GTX 760 as it was with the GTX 670, ASUS did it and so far they
are the only manufacturer (The Galaxy Mini is longer). The design is
nice and we have to say the card looks even more gorgeous without the
plastic cover and the cooler just plain naked.
The small cooler is able to cope with the heat generated by the
GK104 GPU but unfortunately to a cost, we have to say that it is a bit noisier
than what we're used to from ASUS' DirectCU coolers.
- Cooling
- Design
- Compact form factor
- Bundle
Cooling / Noise
Level
+
-
GPU Temperatures were good with a maximum of 75°C under heavy FurMark load with the fan locked at
lowest fan speed. Unfortubately since the lowest fan speed seems to be
39% on the 760 Mini, used to be 30% on the 670 Mini, the noise levels
are bad, the Mini is as loud in idle as the DirectCU II OC at 70% fan
speed.
After one hour gaming the maximum fan speed measured was
56 % and GPU temperature 69°C. Translated it means a maximum noise level
of around 40 dBA.
So in the end the DirectCU Mini cooler does a really good job for its
size but sacrificing silence, it could be much quieter.
- Cooling performance
- Noise levels
Performance
+
-
Thanks to the factory overclocking and the good cooler, the Mini
OC is on average 9 % faster than the reference card from nVidia in the
tested games. One might think that 9 % difference is a bit high with
only a difference of 39 MHz on the boost clock and you are right but in
our case the Mini was always clocking itself up to 1'149 MHz while the
reference card was clocked at 1'033 MHz on average.
A closer look at the power consumption shows good. Mini's power
consumption in idle is right inbetween the EVGA card and the DC2OC at
the bottom of the table. Under load, while offering the same performance
as the DirectCU II OC, the Mini burns 8 Watt less. Since the PCB is the
same, we think the explanation lies on the presence of only one fan on
the Mini and a higher ASIC quality.
- Performance/Watt
- Power consumption
Recommendation / Price
+
-
Price wise, ASUS didn't do the same mistake like with the GTX
670 Mini that was about 80 Euros more expensive than the cheapest 670.
Here the 760 Mini costs only 25 Euros more than the cheapest GTX 760 offer
and 10 Euros more than the DirectCU II OC. If you should be looking for a graphics card for an
ultra compact gaming PC, then this card is perfectly suitable and is
also the only one of its kind. But if you are able to fit a longer card then we
wouldn't recommend the Mini because of its noises levels. In this case
you might want to go for the DirectCU II OC for exemple, same
performance, cheaper and much quieter.
- Gaming
- MiniITX
- Slient PC
We
gave the
GeForce GTX 760 DirectCU Mini OC
from ASUS 3.5 out of 5 stars.