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GPU Comparison
AMD Radeon RX 550 512SP vs NVIDIA GeForce GT 640 OEM Rebrand
AMD Radeon RX 550 512SP vs NVIDIA GeForce GT 640 OEM Rebrand
VS
AMD Radeon RX 550 512SP
NVIDIA GeForce GT 640 OEM Rebrand
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 512SP 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 RX 550 512SP 's Advantages
Released 5 years and 6 months late
Boost Clock1071MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (96.00GB/s vs 38.40GB/s)
368 additional rendering cores
Lower TDP (50W vs 75W)
Score
Benchmark
FP32 (float)
Radeon RX 550 512SP
+164%
1.097 TFLOPS
GeForce GT 640 OEM Rebrand
0.415 TFLOPS
Radeon RX 550 512SP
VS
GeForce GT 640 OEM Rebrand
Graphics Card
Oct 2017
Release Date
Apr 2012
Polaris
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1019 MHz
Base Clock
-
1071 MHz
Boost Clock
-
1500 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1536MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
192bit
96.00GB/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)
512 KB
L2 Cache
384 KB
Theoretical Performance
17.14 GPixel/s
Pixel Rate
4.320 GPixel/s
34.27 GTexel/s
Texture Rate
17.28 GTexel/s
1097 GFLOPS
FP16 (half)
-
1097 GFLOPS
FP32 (float)
414.7 GFLOPS
68.54 GFLOPS
FP64 (double)
34.56 GFLOPS
Graphics Processor
Baffin
GPU Name
GF116
Baffin LE
GPU Variant
GF116-150-A1
GCN 4.0
Architecture
Fermi 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
3 billion
Transistors
1.17 billion
123 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
1.2
Vulkan
N/A
-
CUDA
2.1
6.4
Shader Model
5.1
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