AMD Radeon RX 540 Mobile vs AMD Radeon HD 7850M

VS

AMD Radeon RX 540 Mobile

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540 Mobile and 2GB VRAM Radeon HD 7850M 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 5 years and 7 months late

Boost Clock1219MHz

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

AMD Radeon HD 7850M 's Advantages

128 additional rendering cores

Lower TDP (40W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 540 Mobile +44%

1.248 TFLOPS

Radeon HD 7850M

0.864 TFLOPS

Radeon RX 540 Mobile

VS

Radeon HD 7850M

Graphics Card

Nov 2017

Release Date

Apr 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

64.00GB/s

Render Config

8

Compute Units

10

-

512

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

10.80 GPixel/s

39.01 GTexel/s

Texture Rate

27.00 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

864.0 GFLOPS

78.02 GFLOPS

FP64 (double)

54.00 GFLOPS

Board Design

50W

TDP

40W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

Heathrow

Lexa PRO (215-0904018)

GPU Variant

Heathrow PRO

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.5 billion

103 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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