AMD Radeon 540 vs ATI Radeon HD 4870 Mac Edition

VS

AMD Radeon 540

ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM AMD Radeon 540 and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 540 's Advantages

Released 8 years and 3 months late

More VRAM (1024GB vs 512GB)

Lower TDP (50W vs 150W)

ATI Radeon HD 4870 Mac Edition 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 24.00GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

AMD Radeon 540

0.908 TFLOPS

Radeon HD 4870 Mac Edition +32%

1.2 TFLOPS

AMD Radeon 540

VS

Radeon HD 4870 Mac Edition

Graphics Card

Apr 2017

Release Date

Jan 2009

Polaris

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

32bit

Memory Bus

256bit

24.00GB/s

Bandwidth

108.8GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

800

24

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

12.00 GPixel/s

28.39 GTexel/s

Texture Rate

30.00 GTexel/s

908.5 GFLOPS

FP16 (half)

-

908.5 GFLOPS

FP32 (float)

1200 GFLOPS

56.78 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

2x DisplayPort 1.4a

Outputs

1x DVI 1x mini-DisplayPort 1.0

None

Power Connectors

2x 6-pin

Graphics Processor

Lexa

GPU Name

RV770

Lexa PRO (215-0904018)

GPU Variant

RV770 XT Mac (215-0669080)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.956 billion

103 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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