AMD Radeon HD 7870 GHz Edition vs AMD Radeon HD 8570 OEM Rebrand

VS

AMD Radeon HD 7870 GHz Edition

AMD Radeon HD 8570 OEM Rebrand

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 1024MB VRAM Radeon HD 8570 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)

800 additional rendering cores

AMD Radeon HD 8570 OEM Rebrand 's Advantages

Released 1 years and 4 months late

Lower TDP (60W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +310%

2.56 TFLOPS

Radeon HD 8570 OEM Rebrand

0.624 TFLOPS

Radeon HD 7870 GHz Edition

VS

Radeon HD 8570 OEM Rebrand

Graphics Card

Mar 2012

Release Date

Jul 2013

Southern Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

6

-

1280

Shading Units

480

80

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

5.200 GPixel/s

80.00 GTexel/s

Texture Rate

15.60 GTexel/s

-

2.560 TFLOPS

FP32 (float)

624.0 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

60W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

Turks

Pitcairn XT (215-0828047)

GPU Variant

Turks PRO (215-0803002)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.716 billion

212 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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