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GPU Comparison
NVIDIA GeForce GTX 660 Rev. 2 vs ATI FirePro V7800
NVIDIA GeForce GTX 660 Rev. 2 vs ATI FirePro V7800
VS
NVIDIA GeForce GTX 660 Rev. 2
ATI FirePro V7800
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 2GB VRAM FirePro V7800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 4 years and 5 months late
Boost Clock1032MHz
Larger VRAM bandwidth (144.2GB/s vs 128.0GB/s)
Lower TDP (140W vs 150W)
ATI FirePro V7800 's Advantages
480 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 Rev. 2
1.981 TFLOPS
FirePro V7800
+1%
2.016 TFLOPS
GeForce GTX 660 Rev. 2
VS
FirePro V7800
Graphics Card
Sep 2014
Release Date
Apr 2010
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
1000 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
-
Compute Units
18
960
Shading Units
1440
80
TMUs
72
24
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
384 KB
L2 Cache
512 KB
Theoretical Performance
20.64 GPixel/s
Pixel Rate
22.40 GPixel/s
82.56 GTexel/s
Texture Rate
50.40 GTexel/s
-
FP16 (half)
-
1.981 TFLOPS
FP32 (float)
2.016 TFLOPS
82.56 GFLOPS
FP64 (double)
403.2 GFLOPS
Graphics Processor
GK104
GPU Name
Cypress
-
GPU Variant
Cypress PRO GL
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
2.154 billion
294 mm²
Die Size
334 mm²
Board Design
140W
TDP
150W
300 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 2x DisplayPort 1.1
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0
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