AMD Radeon HD 6970 X2 vs AMD Radeon HD 8470 OEM

VS

AMD Radeon HD 6970 X2

AMD Radeon HD 8470 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 1024MB VRAM Radeon HD 8470 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 25.60GB/s)

1376 additional rendering cores

AMD Radeon HD 8470 OEM 's Advantages

Lower TDP (35W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2 +989%

2.703 TFLOPS

Radeon HD 8470 OEM

0.248 TFLOPS

Radeon HD 6970 X2

VS

Radeon HD 8470 OEM

Graphics Card

Unknown

Release Date

Jan 2013

Northern Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

25.60GB/s

Render Config

24

Compute Units

2

-

1536

Shading Units

160

96

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

3.100 GPixel/s

84.48 GTexel/s

Texture Rate

6.200 GTexel/s

-

2.703 TFLOPS

FP32 (float)

248.0 GFLOPS

-

Board Design

375W

TDP

35W

750 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

3x 8-pin

Power Connectors

None

Graphics Processor

Antilles

GPU Name

Caicos

Antilles XT (215-0807027)

GPU Variant

Caicos XT (215-0804070)

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.37 billion

389 mm²

Die Size

67 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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