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GPU Comparison
AMD Radeon RX 550X Mobile vs AMD Radeon R9 M390 Mac Edition
AMD Radeon RX 550X Mobile vs AMD Radeon R9 M390 Mac Edition
VS
AMD Radeon RX 550X Mobile
AMD Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550X Mobile and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 550X Mobile 's Advantages
Released 2 years and 11 months late
Boost Clock1176MHz
Lower TDP (50W vs 80W)
AMD Radeon R9 M390 Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 48.00GB/s)
384 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 550X Mobile
1.505 TFLOPS
Radeon R9 M390 Mac Edition
+30%
1.962 TFLOPS
Radeon RX 550X Mobile
VS
Radeon R9 M390 Mac Edition
Graphics Card
Apr 2018
Release Date
May 2015
Mobility Radeon
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1100 MHz
Base Clock
-
1176 MHz
Boost Clock
-
1500 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
256bit
48.00GB/s
Bandwidth
174.7GB/s
Render Config
-
SM Count
-
10
Compute Units
16
640
Shading Units
1024
40
TMUs
64
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
18.82 GPixel/s
Pixel Rate
30.66 GPixel/s
47.04 GTexel/s
Texture Rate
61.31 GTexel/s
1.505 TFLOPS
FP16 (half)
-
1.505 TFLOPS
FP32 (float)
1.962 TFLOPS
94.08 GFLOPS
FP64 (double)
122.6 GFLOPS
Graphics Processor
Polaris 23
GPU Name
Pitcairn
Polaris 23 MXT
GPU Variant
Pitcairn PRO (215-0828062)
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
2.2 billion
Transistors
2.8 billion
103 mm²
Die Size
212 mm²
Board Design
50W
TDP
80W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
6.4
Shader Model
5.1
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