Home GPU Comparison AMD Radeon HD 8970M vs AMD Radeon RX 540X Mobile

AMD Radeon HD 8970M vs AMD Radeon RX 540X Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 2GB VRAM Radeon RX 540X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 96.00GB/s)
768 additional rendering cores
AMD Radeon RX 540X Mobile 's Advantages
Released 4 years and 11 months late
Boost Clock has increased by 35% (1211MHz vs 900MHz)
Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)
Radeon HD 8970M +85%
2.304 TFLOPS
Radeon RX 540X Mobile
1.24 TFLOPS
VS

Graphics Card

May 2013
Release Date
Apr 2018
Solar System
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

850 MHz
Base Clock
1124 MHz
900 MHz
Boost Clock
1211 MHz
1200 MHz
Memory Clock
1500 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
96.00GB/s

Render Config

20
Compute Units
8
-
-
-
1280
Shading Units
512
80
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

28.80 GPixel/s
Pixel Rate
19.38 GPixel/s
72.00 GTexel/s
Texture Rate
38.75 GTexel/s
-
FP16 (half)
1240 GFLOPS
2.304 TFLOPS
FP32 (float)
1240 GFLOPS
144.0 GFLOPS
FP64 (double)
77.50 GFLOPS

Board Design

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

Graphics Processor

Neptune
GPU Name
Polaris 23
Neptune XT (216-0847000)
GPU Variant
Polaris 23 MXL
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
2.8 billion
Transistors
2.2 billion
212 mm²
Die Size
103 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.4

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