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GPU Comparison
AMD Radeon E9171 MCM vs AMD Radeon Pro 555X
AMD Radeon E9171 MCM vs AMD Radeon Pro 555X
VS
AMD Radeon E9171 MCM
AMD Radeon Pro 555X
We compared two Mobile platform GPUs: 4GB VRAM Radeon E9171 MCM and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon E9171 MCM 's Advantages
Boost Clock1219MHz
Larger VRAM bandwidth (96.00GB/s vs 94.08GB/s)
Lower TDP (40W vs 75W)
AMD Radeon Pro 555X 's Advantages
Released 9 months late
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon E9171 MCM
1.248 TFLOPS
Radeon Pro 555X
+11%
1.393 TFLOPS
Radeon E9171 MCM
VS
Radeon Pro 555X
Graphics Card
Oct 2017
Release Date
Jul 2018
Embedded
Generation
Radeon Pro Mac
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
1124 MHz
Base Clock
-
1219 MHz
Boost Clock
-
1500 MHz
Memory Clock
1470 MHz
Memory
4GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
96.00GB/s
Bandwidth
94.08GB/s
Render Config
-
SM Count
-
8
Compute Units
12
512
Shading Units
768
32
TMUs
48
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
Theoretical Performance
19.50 GPixel/s
Pixel Rate
14.51 GPixel/s
39.01 GTexel/s
Texture Rate
43.54 GTexel/s
1248 GFLOPS
FP16 (half)
1393 GFLOPS
1248 GFLOPS
FP32 (float)
1393 GFLOPS
78.02 GFLOPS
FP64 (double)
87.07 GFLOPS
Graphics Processor
Lexa
GPU Name
Polaris 21
Lexa MCM Pro
GPU Variant
Polaris 21 PRO
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
40W
TDP
75W
-
Suggested PSU
-
No outputs
Outputs
No outputs
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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