Home GPU Comparison ATI FirePro V7900 vs NVIDIA GeForce GTX 660 Rev. 2

ATI FirePro V7900 vs NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 144.2GB/s)
320 additional rendering cores
NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 3 years and 4 months late
Boost Clock1032MHz
Lower TDP (140W vs 150W)

Score

Benchmark

FP32 (float)
FirePro V7900
1.856 TFLOPS
GeForce GTX 660 Rev. 2 +6%
1.981 TFLOPS
VS

Graphics Card

May 2011
Release Date
Sep 2014
FirePro
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
1250 MHz
Memory Clock
1502 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
192bit
160.0GB/s
Bandwidth
144.2GB/s

Render Config

20
Compute Units
-
-
-
-
1280
Shading Units
960
80
TMUs
80
32
ROPs
24
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
384 KB
-
-
-

Theoretical Performance

23.20 GPixel/s
Pixel Rate
20.64 GPixel/s
58.00 GTexel/s
Texture Rate
82.56 GTexel/s
-
-
-
1.856 TFLOPS
FP32 (float)
1.981 TFLOPS
464.0 GFLOPS
FP64 (double)
82.56 GFLOPS

Board Design

150W
TDP
140W
450 W
Suggested PSU
300 W
4x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

Cayman
GPU Name
GK104
Cayman PRO GL
GPU Variant
-
TeraScale 3
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
3.54 billion
389 mm²
Die Size
294 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1

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