Home GPU Comparison AMD Radeon RX 580X Mobile vs AMD Radeon 540 Mobile

AMD Radeon RX 580X Mobile vs AMD Radeon 540 Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile and 2GB VRAM Radeon 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X Mobile 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 48.00GB/s)
1792 additional rendering cores
AMD Radeon 540 Mobile 's Advantages
Released 11 months late
Boost Clock has increased by 4% (1124MHz vs 1077MHz)
Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)
Radeon RX 580X Mobile +331%
4.963 TFLOPS
Radeon 540 Mobile
1.151 TFLOPS
VS

Graphics Card

Apr 2018
Release Date
Mar 2019
Mobility Radeon
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

1000 MHz
Base Clock
1100 MHz
1077 MHz
Boost Clock
1124 MHz
2000 MHz
Memory Clock
1500 MHz

Memory

8GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
256.0GB/s
Bandwidth
48.00GB/s

Render Config

36
Compute Units
8
-
-
-
2304
Shading Units
512
144
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

34.46 GPixel/s
Pixel Rate
17.98 GPixel/s
155.1 GTexel/s
Texture Rate
35.97 GTexel/s
4.963 TFLOPS
FP16 (half)
1151 GFLOPS
4.963 TFLOPS
FP32 (float)
1151 GFLOPS
310.2 GFLOPS
FP64 (double)
71.94 GFLOPS

Board Design

100W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Polaris 20
GPU Name
Lexa
Polaris 20M XT
GPU Variant
Lexa PRO (215-0904018)
GCN 4.0
Architecture
GCN 4.0
GlobalFoundries
Foundry
GlobalFoundries
14 nm
Process Size
14 nm
5.7 billion
Transistors
2.2 billion
232 mm²
Die Size
103 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
6.4
Shader Model
6.4

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