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GPU Comparison
NVIDIA GeForce GT 640 vs NVIDIA CMP 40HX
NVIDIA GeForce GT 640 vs NVIDIA CMP 40HX
VS
NVIDIA GeForce GT 640
NVIDIA CMP 40HX
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 8GB VRAM CMP 40HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 185W)
NVIDIA CMP 40HX 's Advantages
Released 8 years and 8 months late
Boost Clock1650MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 28.51GB/s)
1920 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640
0.693 TFLOPS
CMP 40HX
+997%
7.603 TFLOPS
Blender
GeForce GT 640
32
CMP 40HX
+3943%
1294
GeForce GT 640
VS
CMP 40HX
Graphics Card
Jun 2012
Release Date
Feb 2021
GeForce 600
Generation
Mining GPUs
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1470 MHz
-
Boost Clock
1650 MHz
891 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
8GB
DDR3
Memory Type
GDDR6
128bit
Memory Bus
256bit
28.51GB/s
Bandwidth
448.0GB/s
Render Config
-
-
-
-
SM Count
36
384
Shading Units
2304
32
TMUs
144
16
ROPs
64
-
Tensor Cores
288
-
RT Cores
36
16 KB (per SMX)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
7.216 GPixel/s
Pixel Rate
105.6 GPixel/s
28.86 GTexel/s
Texture Rate
237.6 GTexel/s
-
FP16 (half)
15.21 TFLOPS
692.7 GFLOPS
FP32 (float)
7.603 TFLOPS
28.86 GFLOPS
FP64 (double)
237.6 GFLOPS
Board Design
65W
TDP
185W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
No outputs
None
Power Connectors
1x 8-pin
Graphics Processor
GK107
GPU Name
TU106
GK107-300-A2
GPU Variant
TU106-100-A1
Kepler
Architecture
Turing
TSMC
Foundry
TSMC
28 nm
Process Size
12 nm
1.27 billion
Transistors
10.8 billion
118 mm²
Die Size
445 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
7.5
5.1
Shader Model
6.6
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