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GPU Comparison
NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 550 Ti
NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 550 Ti
VS
NVIDIA GeForce GT 640
NVIDIA GeForce GTX 550 Ti
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM GeForce GTX 550 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 's Advantages
Released 1 years and 3 months late
More VRAM (2GB vs 1GB)
192 additional rendering cores
Lower TDP (65W vs 116W)
NVIDIA GeForce GTX 550 Ti 's Advantages
Larger VRAM bandwidth (98.50GB/s vs 28.51GB/s)
Score
Benchmark
FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce GTX 550 Ti
0.691 TFLOPS
GeForce GT 640
VS
GeForce GTX 550 Ti
Graphics Card
Jun 2012
Release Date
Mar 2011
GeForce 600
Generation
GeForce 500
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
891 MHz
Memory Clock
1026 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
192bit
28.51GB/s
Bandwidth
98.50GB/s
Render Config
-
SM Count
4
-
Compute Units
-
384
Shading Units
192
32
TMUs
32
16
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
384 KB
Theoretical Performance
7.216 GPixel/s
Pixel Rate
7.200 GPixel/s
28.86 GTexel/s
Texture Rate
28.80 GTexel/s
-
FP16 (half)
-
692.7 GFLOPS
FP32 (float)
691.2 GFLOPS
28.86 GFLOPS
FP64 (double)
57.60 GFLOPS
Graphics Processor
GK107
GPU Name
GF116
GK107-300-A2
GPU Variant
GF116-400-A1
Kepler
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
1.17 billion
118 mm²
Die Size
238 mm²
Board Design
65W
TDP
116W
250 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x mini-HDMI 1.3a
None
Power Connectors
1x 6-pin
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
2.1
5.1
Shader Model
5.1
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