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GPU Comparison
NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 480 Core 512
NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 480 Core 512
VS
NVIDIA GeForce GT 640
NVIDIA GeForce GTX 480 Core 512
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1536MB VRAM GeForce GTX 480 Core 512 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 1536GB)
Lower TDP (65W vs 375W)
NVIDIA GeForce GTX 480 Core 512 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 28.51GB/s)
128 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce GTX 480 Core 512
+55%
1.078 TFLOPS
GeForce GT 640
VS
GeForce GTX 480 Core 512
Graphics Card
Jun 2012
Release Date
Unknown
GeForce 600
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
891 MHz
Memory Clock
700 MHz
Memory
2GB
Memory Size
1536MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
384bit
28.51GB/s
Bandwidth
134.4GB/s
Render Config
-
-
-
-
SM Count
16
384
Shading Units
512
32
TMUs
64
16
ROPs
48
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
768 KB
-
-
-
Theoretical Performance
7.216 GPixel/s
Pixel Rate
16.86 GPixel/s
28.86 GTexel/s
Texture Rate
33.73 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
1078 GFLOPS
28.86 GFLOPS
FP64 (double)
-
Board Design
65W
TDP
375W
250 W
Suggested PSU
750 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x mini-HDMI 1.3a
None
Power Connectors
2x 8-pin
Graphics Processor
GK107
GPU Name
GF100
GK107-300-A2
GPU Variant
GF100-ES-DT1-A2
Kepler
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
3.1 billion
118 mm²
Die Size
529 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
2.0
5.1
Shader Model
5.1
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