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GPU Comparison
AMD Radeon Pro 555X vs AMD Radeon R9 M270X
AMD Radeon Pro 555X vs AMD Radeon R9 M270X
VS
AMD Radeon Pro 555X
AMD Radeon R9 M270X
We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 2GB VRAM Radeon R9 M270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro 555X 's Advantages
Released 3 years and 5 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (94.08GB/s vs 88.00GB/s)
AMD Radeon R9 M270X 's Advantages
Boost Clock1000MHz
Score
Benchmark
FP32 (float)
Radeon Pro 555X
1.393 TFLOPS
Radeon R9 M270X
+10%
1.536 TFLOPS
Radeon Pro 555X
VS
Radeon R9 M270X
Graphics Card
Jul 2018
Release Date
Feb 2015
Radeon Pro Mac
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
1000 MHz
1470 MHz
Memory Clock
1375 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
94.08GB/s
Bandwidth
88.00GB/s
Render Config
-
SM Count
-
12
Compute Units
12
768
Shading Units
768
48
TMUs
48
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
Theoretical Performance
14.51 GPixel/s
Pixel Rate
16.00 GPixel/s
43.54 GTexel/s
Texture Rate
48.00 GTexel/s
1393 GFLOPS
FP16 (half)
-
1393 GFLOPS
FP32 (float)
1.536 TFLOPS
87.07 GFLOPS
FP64 (double)
96.00 GFLOPS
Graphics Processor
Polaris 21
GPU Name
Saturn
Polaris 21 PRO
GPU Variant
Saturn PRO (216-0843044)
GCN 4.0
Architecture
GCN 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
3 billion
Transistors
2.08 billion
123 mm²
Die Size
160 mm²
Board Design
75W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2.170
-
CUDA
-
6.4
Shader Model
6.5
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8
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9
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