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GPU Comparison
AMD Radeon 550X 640SP vs AMD Radeon RX 550X 640SP
AMD Radeon 550X 640SP vs AMD Radeon RX 550X 640SP
VS
AMD Radeon 550X 640SP
AMD Radeon RX 550X 640SP
We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 2GB VRAM Radeon RX 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon 550X 640SP 's Advantages
More VRAM (4GB vs 2GB)
Lower TDP (50W vs 60W)
AMD Radeon RX 550X 640SP 's Advantages
Larger VRAM bandwidth (96.00GB/s vs 48.00GB/s)
Score
Benchmark
FP32 (float)
Radeon 550X 640SP
1.371 TFLOPS
Radeon RX 550X 640SP
1.371 TFLOPS
Radeon 550X 640SP
VS
Radeon RX 550X 640SP
Graphics Card
Apr 2018
Release Date
Apr 2018
Polaris
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
1019 MHz
Base Clock
1019 MHz
1071 MHz
Boost Clock
1071 MHz
1500 MHz
Memory Clock
1500 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
48.00GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
-
10
Compute Units
10
640
Shading Units
640
40
TMUs
40
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
1024 KB
Theoretical Performance
17.14 GPixel/s
Pixel Rate
17.14 GPixel/s
42.84 GTexel/s
Texture Rate
42.84 GTexel/s
1371 GFLOPS
FP16 (half)
1371 GFLOPS
1371 GFLOPS
FP32 (float)
1371 GFLOPS
85.68 GFLOPS
FP64 (double)
85.68 GFLOPS
Graphics Processor
Lexa
GPU Name
Baffin
Lexa PRO (215-0904018)
GPU Variant
Baffin LE
GCN 4.0
Architecture
GCN 4.0
GlobalFoundries
Foundry
GlobalFoundries
14 nm
Process Size
14 nm
2.2 billion
Transistors
3 billion
103 mm²
Die Size
123 mm²
Board Design
50W
TDP
60W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2
-
CUDA
-
6.4
Shader Model
6.4
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