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

VS

ATI Radeon HD 4870 Mac Edition

AMD Radeon HD 8570 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 2GB VRAM Radeon HD 8570 OEM 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 28.80GB/s)

416 additional rendering cores

AMD Radeon HD 8570 OEM 's Advantages

Released 4 years late

Boost Clock780MHz

More VRAM (2GB vs 512GB)

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +100%

1.2 TFLOPS

Radeon HD 8570 OEM

0.599 TFLOPS

Radeon HD 4870 Mac Edition

VS

Radeon HD 8570 OEM

Graphics Card

Jan 2009

Release Date

Jan 2013

Radeon R700

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

850 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

108.8GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

6

-

800

Shading Units

384

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

6.240 GPixel/s

30.00 GTexel/s

Texture Rate

18.72 GTexel/s

-

1200 GFLOPS

FP32 (float)

599.0 GFLOPS

240.0 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

Oland

RV770 XT Mac (215-0669080)

GPU Variant

-

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

0.95 billion

256 mm²

Die Size

77 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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