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GPU Comparison
AMD Radeon Pro 555X vs AMD Radeon R9 M275X
AMD Radeon Pro 555X vs AMD Radeon R9 M275X
VS
AMD Radeon Pro 555X
AMD Radeon R9 M275X
We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 2GB VRAM Radeon R9 M275X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro 555X 's Advantages
Released 4 years and 6 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (94.08GB/s vs 72.00GB/s)
128 additional rendering cores
AMD Radeon R9 M275X 's Advantages
Boost Clock925MHz
Score
Benchmark
FP32 (float)
Radeon Pro 555X
+17%
1.393 TFLOPS
Radeon R9 M275X
1.184 TFLOPS
Radeon Pro 555X
VS
Radeon R9 M275X
Graphics Card
Jul 2018
Release Date
Jan 2014
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
925 MHz
1470 MHz
Memory Clock
1125 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
94.08GB/s
Bandwidth
72.00GB/s
Render Config
-
SM Count
-
12
Compute Units
10
768
Shading Units
640
48
TMUs
40
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
14.80 GPixel/s
43.54 GTexel/s
Texture Rate
37.00 GTexel/s
1393 GFLOPS
FP16 (half)
-
1393 GFLOPS
FP32 (float)
1184 GFLOPS
87.07 GFLOPS
FP64 (double)
74.00 GFLOPS
Graphics Processor
Polaris 21
GPU Name
Venus
Polaris 21 PRO
GPU Variant
Venus XTX (216-0846033)
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
3 billion
Transistors
1.5 billion
123 mm²
Die Size
123 mm²
Board Design
75W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
2.1 (1.2)
1.2
Vulkan
1.2.170
-
CUDA
-
6.4
Shader Model
6.5 (5.1)
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