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GPU Comparison
NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 650 Ti OEM
NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 650 Ti OEM
VS
NVIDIA GeForce GT 640
NVIDIA GeForce GTX 650 Ti OEM
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 2GB VRAM GeForce GTX 650 Ti OEM 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 110W)
NVIDIA GeForce GTX 650 Ti OEM 's Advantages
Released 9 months late
Larger VRAM bandwidth (86.40GB/s vs 28.51GB/s)
384 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce GTX 650 Ti OEM
+105%
1.425 TFLOPS
GeForce GT 640
VS
GeForce GTX 650 Ti OEM
Graphics Card
Jun 2012
Release Date
Mar 2013
GeForce 600
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
891 MHz
Memory Clock
1350 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.51GB/s
Bandwidth
86.40GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
768
32
TMUs
64
16
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
7.216 GPixel/s
Pixel Rate
14.85 GPixel/s
28.86 GTexel/s
Texture Rate
59.39 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
1425 GFLOPS
28.86 GFLOPS
FP64 (double)
59.39 GFLOPS
Board Design
65W
TDP
110W
250 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x mini-HDMI 1.4a
None
Power Connectors
1x 6-pin
Graphics Processor
GK107
GPU Name
GK106
GK107-300-A2
GPU Variant
-
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
2.54 billion
118 mm²
Die Size
221 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.0
CUDA
3.0
5.1
Shader Model
5.1
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8
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9
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10
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