AMD Radeon 540X Mobile vs AMD Radeon HD 8670M

VS

AMD Radeon 540X Mobile

AMD Radeon HD 8670M

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

Main Differences

AMD Radeon 540X Mobile 's Advantages

Released 5 years and 11 months late

Boost Clock has increased by 12% (1095MHz vs 975MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 540X Mobile +79%

1.121 TFLOPS

Radeon HD 8670M

0.624 TFLOPS

Radeon 540X Mobile

VS

Radeon HD 8670M

Graphics Card

Feb 2019

Release Date

Mar 2013

Mobility Radeon

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

980 MHz

Base Clock

925 MHz

1095 MHz

Boost Clock

975 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

32.00GB/s

Bandwidth

14.40GB/s

Render Config

8

Compute Units

5

-

512

Shading Units

320

32

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

17.52 GPixel/s

Pixel Rate

7.800 GPixel/s

35.04 GTexel/s

Texture Rate

19.50 GTexel/s

1121 GFLOPS

FP16 (half)

-

1121 GFLOPS

FP32 (float)

624.0 GFLOPS

70.08 GFLOPS

FP64 (double)

39.00 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

Sun

Lexa PRO (215-0904018)

GPU Variant

Sun S3 XT (216-0841009)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

0.69 billion

103 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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