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GPU Comparison
NVIDIA GeForce GT 640 vs ATI FirePro V7760
NVIDIA GeForce GT 640 vs ATI FirePro V7760
VS
NVIDIA GeForce GT 640
ATI FirePro V7760
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM FirePro V7760 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.51GB/s vs 27.20GB/s)
Lower TDP (65W vs 76W)
ATI FirePro V7760 's Advantages
416 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640
0.693 TFLOPS
FirePro V7760
+73%
1.2 TFLOPS
GeForce GT 640
VS
FirePro V7760
Graphics Card
Jun 2012
Release Date
Jan 2012
GeForce 600
Generation
FirePro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
891 MHz
Memory Clock
850 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
128bit
28.51GB/s
Bandwidth
27.20GB/s
Render Config
-
Compute Units
10
-
-
-
384
Shading Units
800
32
TMUs
40
16
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
7.216 GPixel/s
Pixel Rate
6.000 GPixel/s
28.86 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
1200 GFLOPS
28.86 GFLOPS
FP64 (double)
-
Board Design
65W
TDP
76W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI
None
Power Connectors
1x 6-pin
Graphics Processor
GK107
GPU Name
RV770
GK107-300-A2
GPU Variant
RV770 XT (215-0669049)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
1.27 billion
Transistors
0.956 billion
118 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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8
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