Radeon RX 540 Mobile vs Radeon R9 M395X Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540 Mobile and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 540 Mobile Advantages
Released 2 years and 6 months late
Boost Clock1219MHz
Lower TDP (50W vs 250W)
Radeon R9 M395X Mac Edition Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (174.7GB/s vs 96.00GB/s)
1536 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 540 Mobile
1248
Radeon R9 M395X Mac Edition
+198%
3723
Graphics Card
Nov 2017
Release Date
May 2015
Mobility Radeon
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
1124 MHz
Base Clock
-
1219 MHz
Boost Clock
-
1500 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
96.00GB/s
Bandwidth
174.7GB/s
Render Config
8
Compute Units
32
512
Shading Units
2048
32
TMUs
128
16
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
19.50 GPixel/s
Pixel Rate
29.09 GPixel/s
39.01 GTexel/s
Texture Rate
116.4 GTexel/s
1248 GFLOPS
FP16 (half)
3.723 TFLOPS
1248 GFLOPS
FP32 (float)
3.723 TFLOPS
78.02 GFLOPS
FP64 (double)
232.7 GFLOPS
Board Design
50W
TDP
250W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Lexa
GPU Name
Amethyst
Lexa PRO
(215-0904018)
(215-0904018)
GPU Variant
Amethyst XT
GCN 4.0
Architecture
GCN 3.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
2.2 billion
Transistors
5 billion
103 mm²
Die Size
366 mm²
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.0
1.2
Vulkan
1.2
6.4
Shader Model
6.3
