AMD Radeon HD 8570 OEM vs ATI Radeon HD 4870 Mac Edition

VS

AMD Radeon HD 8570 OEM

ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8570 OEM 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 HD 8570 OEM 's Advantages

Released 4 years late

Boost Clock780MHz

More VRAM (2GB vs 512GB)

Lower TDP (50W vs 150W)

ATI Radeon HD 4870 Mac Edition 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 28.80GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8570 OEM

0.599 TFLOPS

Radeon HD 4870 Mac Edition +100%

1.2 TFLOPS

Radeon HD 8570 OEM

VS

Radeon HD 4870 Mac Edition

Graphics Card

Jan 2013

Release Date

Jan 2009

Sea Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

900 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

108.8GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

12.00 GPixel/s

18.72 GTexel/s

Texture Rate

30.00 GTexel/s

-

599.0 GFLOPS

FP32 (float)

1200 GFLOPS

37.44 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x DVI 1x mini-DisplayPort 1.0

None

Power Connectors

2x 6-pin

Graphics Processor

Oland

GPU Name

RV770

-

GPU Variant

RV770 XT Mac (215-0669080)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.956 billion

77 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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