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GPU Comparison
NVIDIA GeForce GTX 660 vs ATI FirePro V7760
NVIDIA GeForce GTX 660 vs ATI FirePro V7760
VS
NVIDIA GeForce GTX 660
ATI FirePro V7760
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 1024MB VRAM FirePro V7760 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 's Advantages
Released 8 months late
Boost Clock1032MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (144.2GB/s vs 27.20GB/s)
160 additional rendering cores
ATI FirePro V7760 's Advantages
Lower TDP (76W vs 140W)
Score
Benchmark
FP32 (float)
GeForce GTX 660
+65%
1.981 TFLOPS
FirePro V7760
1.2 TFLOPS
GeForce GTX 660
VS
FirePro V7760
Graphics Card
Sep 2012
Release Date
Jan 2012
GeForce 600
Generation
FirePro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
980 MHz
Base Clock
-
1032 MHz
Boost Clock
-
1502 MHz
Memory Clock
850 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
27.20GB/s
Render Config
-
SM Count
-
-
Compute Units
10
960
Shading Units
800
80
TMUs
40
24
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
128 KB
Theoretical Performance
20.64 GPixel/s
Pixel Rate
6.000 GPixel/s
82.56 GTexel/s
Texture Rate
30.00 GTexel/s
-
FP16 (half)
-
1.981 TFLOPS
FP32 (float)
1200 GFLOPS
82.56 GFLOPS
FP64 (double)
-
Graphics Processor
GK106
GPU Name
RV770
GK106-400-A1
GPU Variant
RV770 XT (215-0669049)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.54 billion
Transistors
0.956 billion
221 mm²
Die Size
256 mm²
Board Design
140W
TDP
76W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1
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