ATI Mobility Radeon HD 3870 vs AMD Radeon RX 540X Mobile

VS

ATI Mobility Radeon HD 3870

AMD Radeon RX 540X Mobile

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 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 RX 540X Mobile 's Advantages

Released 9 years and 10 months late

Boost Clock1211MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 54.40GB/s)

192 additional rendering cores

Lower TDP (50W vs 55W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon RX 540X Mobile +193%

1.24 TFLOPS

Mobility Radeon HD 3870

VS

Radeon RX 540X Mobile

Graphics Card

Jun 2008

Release Date

Apr 2018

M8x

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1211 MHz

850 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

96.00GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

512

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

19.38 GPixel/s

10.56 GTexel/s

Texture Rate

38.75 GTexel/s

-

FP16 (half)

1240 GFLOPS

422.4 GFLOPS

FP32 (float)

1240 GFLOPS

84.48 GFLOPS

FP64 (double)

77.50 GFLOPS

Board Design

55W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M88

GPU Name

Polaris 23

-

GPU Variant

Polaris 23 MXL

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

2.2 billion

192 mm²

Die Size

103 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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