ATI Radeon HD 4870 Mac Edition vs AMD Radeon HD 6570

VS

ATI Radeon HD 4870 Mac Edition

AMD Radeon HD 6570

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 2GB VRAM Radeon HD 6570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 64.00GB/s)

320 additional rendering cores

AMD Radeon HD 6570 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 512GB)

Lower TDP (60W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +92%

1.2 TFLOPS

Radeon HD 6570

0.624 TFLOPS

Radeon HD 4870 Mac Edition

VS

Radeon HD 6570

Graphics Card

Jan 2009

Release Date

Apr 2011

Radeon R700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

108.8GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

6

-

800

Shading Units

480

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

5.200 GPixel/s

30.00 GTexel/s

Texture Rate

15.60 GTexel/s

-

1200 GFLOPS

FP32 (float)

624.0 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

60W

450 W

Suggested PSU

250 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

Turks

RV770 XT Mac (215-0669080)

GPU Variant

Turks PRO (215-0803002)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.716 billion

256 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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