Radeon RX 540 Mobile vs Radeon HD 7970M
We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540 Mobile and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 540 Mobile Advantages
Released 5 years and 7 months late
Boost Clock1219MHz
Lower TDP (50W vs 100W)
Radeon HD 7970M Advantages
Larger VRAM bandwidth (153.6GB/s vs 96.00GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 540 Mobile
1248
Radeon HD 7970M
+74%
2176
3DMark Time Spy
Radeon RX 540 Mobile
1014
Radeon HD 7970M
+41%
1436
Graphics Card
Nov 2017
Release Date
Apr 2012
Mobility Radeon
Generation
London
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
1200 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
96.00GB/s
Bandwidth
153.6GB/s
Render Config
8
Compute Units
20
512
Shading Units
1280
32
TMUs
80
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
27.20 GPixel/s
39.01 GTexel/s
Texture Rate
68.00 GTexel/s
1248 GFLOPS
FP16 (half)
-
1248 GFLOPS
FP32 (float)
2.176 TFLOPS
78.02 GFLOPS
FP64 (double)
136.0 GFLOPS
Board Design
50W
TDP
100W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Lexa
GPU Name
Wimbledon
Lexa PRO
(215-0904018)
(215-0904018)
GPU Variant
Wimbledon XT
(216-0836036)
(216-0836036)
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
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
6.4
Shader Model
5.1
