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GPU Comparison
AMD Radeon 550 vs NVIDIA GeForce GT 640 OEM Rebrand
AMD Radeon 550 vs NVIDIA GeForce GT 640 OEM Rebrand
VS
AMD Radeon 550
NVIDIA GeForce GT 640 OEM Rebrand
We compared two Desktop platform GPUs: 2GB VRAM Radeon 550 and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon 550 's Advantages
Released 5 years late
Boost Clock1183MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (56.00GB/s vs 38.40GB/s)
368 additional rendering cores
Lower TDP (50W vs 75W)
Score
Benchmark
FP32 (float)
Radeon 550
+191%
1.211 TFLOPS
GeForce GT 640 OEM Rebrand
0.415 TFLOPS
Radeon 550
VS
GeForce GT 640 OEM Rebrand
Graphics Card
Apr 2017
Release Date
Apr 2012
Polaris
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1100 MHz
Base Clock
-
1183 MHz
Boost Clock
-
1750 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1536MB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
192bit
56.00GB/s
Bandwidth
38.40GB/s
Render Config
-
SM Count
3
8
Compute Units
-
512
Shading Units
144
32
TMUs
24
16
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
384 KB
Theoretical Performance
18.93 GPixel/s
Pixel Rate
4.320 GPixel/s
37.86 GTexel/s
Texture Rate
17.28 GTexel/s
1211 GFLOPS
FP16 (half)
-
1211 GFLOPS
FP32 (float)
414.7 GFLOPS
75.71 GFLOPS
FP64 (double)
34.56 GFLOPS
Graphics Processor
Lexa
GPU Name
GF116
Lexa PRO (215-0904018)
GPU Variant
GF116-150-A1
GCN 4.0
Architecture
Fermi 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
2.2 billion
Transistors
1.17 billion
103 mm²
Die Size
238 mm²
Board Design
50W
TDP
75W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
2x DVI 1x mini-HDMI 1.3a
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
2.1
6.7
Shader Model
5.1
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8
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