Home GPU Comparison NVIDIA GeForce GTX 660 vs ATI FirePro V8750

NVIDIA GeForce GTX 660 vs ATI FirePro V8750

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 2GB VRAM FirePro V8750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages
Released 4 years and 2 months late
Boost Clock1032MHz
Larger VRAM bandwidth (144.2GB/s vs 115.2GB/s)
160 additional rendering cores
Lower TDP (140W vs 151W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 +65%
1.981 TFLOPS
FirePro V8750
1.2 TFLOPS
VS

Graphics Card

Sep 2012
Release Date
Jul 2008
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
900 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
115.2GB/s

Render Config

-
Compute Units
10
-
-
-
960
Shading Units
800
80
TMUs
40
24
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

20.64 GPixel/s
Pixel Rate
12.00 GPixel/s
82.56 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
1.981 TFLOPS
FP32 (float)
1200 GFLOPS
82.56 GFLOPS
FP64 (double)
240.0 GFLOPS

Board Design

140W
TDP
151W
300 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 2x DisplayPort 1.0 1x S-Video
1x 6-pin
Power Connectors
2x 6-pin

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

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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