ATI Radeon HD 4860 vs AMD Radeon HD 6970

VS

ATI Radeon HD 4860

AMD Radeon HD 6970

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4860 and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4860 's Advantages

Lower TDP (130W vs 250W)

AMD Radeon HD 6970 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 96.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4860

0.896 TFLOPS

Radeon HD 6970 +201%

2.703 TFLOPS

Radeon HD 4860

VS

Radeon HD 6970

Graphics Card

Sep 2009

Release Date

Dec 2010

Radeon R700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

96.00GB/s

Bandwidth

176.0GB/s

Render Config

8

Compute Units

24

-

640

Shading Units

1536

32

TMUs

96

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

28.16 GPixel/s

22.40 GTexel/s

Texture Rate

84.48 GTexel/s

-

896.0 GFLOPS

FP32 (float)

2.703 TFLOPS

179.2 GFLOPS

FP64 (double)

675.8 GFLOPS

Board Design

130W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV790

GPU Name

Cayman

RV790 GT

GPU Variant

Cayman XT (215-0807007)

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.959 billion

Transistors

2.64 billion

282 mm²

Die Size

389 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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