AMD Radeon HD 8670M vs AMD Radeon RX 540 Mobile

VS

AMD Radeon HD 8670M

AMD Radeon RX 540 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 2GB VRAM Radeon RX 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540 Mobile 's Advantages

Released 4 years and 8 months late

Boost Clock has increased by 25% (1219MHz vs 975MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 14.40GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon RX 540 Mobile +100%

1.248 TFLOPS

Radeon HD 8670M

VS

Radeon RX 540 Mobile

Graphics Card

Mar 2013

Release Date

Nov 2017

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

1124 MHz

975 MHz

Boost Clock

1219 MHz

900 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

96.00GB/s

Render Config

5

Compute Units

8

-

320

Shading Units

512

20

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

19.50 GPixel/s

19.50 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

624.0 GFLOPS

FP32 (float)

1248 GFLOPS

39.00 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Lexa

Sun S3 XT (216-0841009)

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.69 billion

Transistors

2.2 billion

56 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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