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GPU Comparison
AMD Radeon HD 6970 X2 vs NVIDIA GeForce GT 640
AMD Radeon HD 6970 X2 vs NVIDIA GeForce GT 640
VS
AMD Radeon HD 6970 X2
NVIDIA GeForce GT 640
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970 X2 's Advantages
Larger VRAM bandwidth (176.0GB/s vs 28.51GB/s)
1152 additional rendering cores
NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6970 X2
+290%
2.703 TFLOPS
GeForce GT 640
0.693 TFLOPS
Radeon HD 6970 X2
VS
GeForce GT 640
Graphics Card
Unknown
Release Date
Jun 2012
Northern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
891 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
28.51GB/s
Render Config
-
SM Count
-
24
Compute Units
-
1536
Shading Units
384
96
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
256 KB
Theoretical Performance
28.16 GPixel/s
Pixel Rate
7.216 GPixel/s
84.48 GTexel/s
Texture Rate
28.86 GTexel/s
-
FP16 (half)
-
2.703 TFLOPS
FP32 (float)
692.7 GFLOPS
-
FP64 (double)
28.86 GFLOPS
Graphics Processor
Antilles
GPU Name
GK107
Antilles XT (215-0807027)
GPU Variant
GK107-300-A2
TeraScale 3
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
1.27 billion
389 mm²
Die Size
118 mm²
Board Design
375W
TDP
65W
750 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
3x 8-pin
Power Connectors
None
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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