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GPU Comparison
NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon R9 290X2
NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon R9 290X2
VS
NVIDIA GeForce GT 640 Rev. 2
AMD Radeon R9 290X2
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 4GB VRAM Radeon R9 290X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 580W)
AMD Radeon R9 290X2 's Advantages
Released 1 years and 1 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (345.6GB/s vs 40.06GB/s)
2432 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640 Rev. 2
0.803 TFLOPS
Radeon R9 290X2
+601%
5.632 TFLOPS
GeForce GT 640 Rev. 2
VS
Radeon R9 290X2
Graphics Card
May 2013
Release Date
Jun 2014
GeForce 600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1252 MHz
Memory Clock
1350 MHz
Memory
1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
512bit
40.06GB/s
Bandwidth
345.6GB/s
Render Config
-
SM Count
-
-
Compute Units
44
384
Shading Units
2816
32
TMUs
176
8
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
Theoretical Performance
8.368 GPixel/s
Pixel Rate
64.00 GPixel/s
33.47 GTexel/s
Texture Rate
176.0 GTexel/s
-
FP16 (half)
-
803.3 GFLOPS
FP32 (float)
5.632 TFLOPS
33.47 GFLOPS
FP64 (double)
704.0 GFLOPS
Graphics Processor
GK208
GPU Name
Hawaii
GK208-400-A1
GPU Variant
Hawaii XT (215-0852000)
Kepler 2.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.02 billion
Transistors
6.2 billion
87 mm²
Die Size
438 mm²
Board Design
49W
TDP
580W
200 W
Suggested PSU
950 W
1x DVI 1x HDMI 1.4a 1x VGA
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
4x 8-pin
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.5
CUDA
-
5.1
Shader Model
6.3
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2
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3
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4
NVIDIA CMP 70HX vs NVIDIA GeForce GT 640 Rev. 2
5
AMD Radeon Pro SSG vs NVIDIA GeForce GT 640 Rev. 2
6
NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA GeForce 8400 GS PCI
7
NVIDIA GeForce 9400 GT Rev. 3 vs NVIDIA GeForce GT 640 Rev. 2
8
NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA T1000
9
NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon R9 390
10
NVIDIA GeForce GT 640 Rev. 2 vs ATI Radeon HD 5670
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