AMD Radeon HD 8470 OEM vs AMD Radeon HD 6870

VS

AMD Radeon HD 8470 OEM

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8470 OEM and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8470 OEM 's Advantages

Released 2 years and 3 months late

Lower TDP (35W vs 151W)

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 25.60GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8470 OEM

0.248 TFLOPS

Radeon HD 6870 +712%

2.016 TFLOPS

Radeon HD 8470 OEM

VS

Radeon HD 6870

Graphics Card

Jan 2013

Release Date

Oct 2010

Sea Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

134.4GB/s

Render Config

2

Compute Units

14

-

160

Shading Units

1120

8

TMUs

56

4

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

28.80 GPixel/s

6.200 GTexel/s

Texture Rate

50.40 GTexel/s

-

248.0 GFLOPS

FP32 (float)

2.016 TFLOPS

-

Board Design

35W

TDP

151W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

2x 6-pin

Graphics Processor

Caicos

GPU Name

Barts

Caicos XT (215-0804070)

GPU Variant

Barts XT (215-0798000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

1.7 billion

67 mm²

Die Size

255 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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