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GPU Comparison
NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 650 Ti Boost
NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 650 Ti Boost
VS
NVIDIA GeForce GT 640
NVIDIA GeForce GTX 650 Ti Boost
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 2GB VRAM GeForce GTX 650 Ti Boost 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 134W)
NVIDIA GeForce GTX 650 Ti Boost 's Advantages
Released 9 months late
Boost Clock1032MHz
Larger VRAM bandwidth (144.2GB/s vs 28.51GB/s)
384 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce GTX 650 Ti Boost
+128%
1.585 TFLOPS
Blender
GeForce GT 640
32
GeForce GTX 650 Ti Boost
+218%
102
OctaneBench
GeForce GT 640
8
GeForce GTX 650 Ti Boost
+187%
23
GeForce GT 640
VS
GeForce GTX 650 Ti Boost
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
-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
891 MHz
Memory Clock
1502 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
192bit
28.51GB/s
Bandwidth
144.2GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
768
32
TMUs
64
16
ROPs
24
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
7.216 GPixel/s
Pixel Rate
16.51 GPixel/s
28.86 GTexel/s
Texture Rate
66.05 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
1.585 TFLOPS
28.86 GFLOPS
FP64 (double)
66.05 GFLOPS
Board Design
65W
TDP
134W
250 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Processor
GK107
GPU Name
GK106
GK107-300-A2
GPU Variant
GK106-240-A1
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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