AMD Radeon 540X Mobile vs ATI Mobility Radeon HD 3870

VS

AMD Radeon 540X Mobile

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 2GB VRAM Radeon 540X Mobile and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 540X Mobile 's Advantages

Released 10 years and 8 months late

Boost Clock1095MHz

More VRAM (2GB vs 512GB)

192 additional rendering cores

Lower TDP (50W vs 55W)

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 32.00GB/s)

Score

Benchmark

FP32 (float)

Radeon 540X Mobile +165%

1.121 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon 540X Mobile

VS

Mobility Radeon HD 3870

Graphics Card

Feb 2019

Release Date

Jun 2008

Mobility Radeon

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1095 MHz

Boost Clock

-

1000 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

54.40GB/s

Render Config

8

Compute Units

4

-

512

Shading Units

320

32

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

17.52 GPixel/s

Pixel Rate

10.56 GPixel/s

35.04 GTexel/s

Texture Rate

10.56 GTexel/s

1121 GFLOPS

FP16 (half)

-

1121 GFLOPS

FP32 (float)

422.4 GFLOPS

70.08 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

50W

TDP

55W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

M88

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.666 billion

103 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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