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GPU Comparison
NVIDIA GeForce GT 640 OEM vs ATI Radeon HD 5470
NVIDIA GeForce GT 640 OEM vs ATI Radeon HD 5470
VS
NVIDIA GeForce GT 640 OEM
ATI Radeon HD 5470
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 OEM and 512MB VRAM Radeon HD 5470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 OEM 's Advantages
Larger VRAM bandwidth (28.51GB/s vs 6.400GB/s)
304 additional rendering cores
ATI Radeon HD 5470 's Advantages
Lower TDP (19W vs 50W)
Score
Benchmark
FP32 (float)
GeForce GT 640 OEM
+488%
0.612 TFLOPS
Radeon HD 5470
0.104 TFLOPS
GeForce GT 640 OEM
VS
Radeon HD 5470
Graphics Card
Apr 2012
Release Date
Feb 2012
GeForce 600
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
891 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
64bit
28.51GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
-
-
Compute Units
2
384
Shading Units
80
32
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
Theoretical Performance
6.376 GPixel/s
Pixel Rate
2.600 GPixel/s
25.50 GTexel/s
Texture Rate
5.200 GTexel/s
-
FP16 (half)
-
612.1 GFLOPS
FP32 (float)
104.0 GFLOPS
25.50 GFLOPS
FP64 (double)
-
Graphics Processor
GK107
GPU Name
Cedar
GK107-320-A2
GPU Variant
Cedar PRO
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
0.292 billion
118 mm²
Die Size
59 mm²
Board Design
50W
TDP
19W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
None
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0
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8
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9
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