ATI Radeon HD 4670 AGP vs AMD Radeon HD 6950

VS

ATI Radeon HD 4670 AGP

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4670 AGP and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 AGP 's Advantages

Lower TDP (59W vs 200W)

AMD Radeon HD 6950 's Advantages

Released 1 years and 5 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

1088 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4670 AGP

0.48 TFLOPS

Radeon HD 6950 +369%

2.253 TFLOPS

Radeon HD 4670 AGP

VS

Radeon HD 6950

Graphics Card

Jul 2009

Release Date

Dec 2010

Radeon R700

Generation

Northern Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

160.0GB/s

Render Config

4

Compute Units

22

-

320

Shading Units

1408

32

TMUs

88

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

25.60 GPixel/s

24.00 GTexel/s

Texture Rate

70.40 GTexel/s

-

480.0 GFLOPS

FP32 (float)

2.253 TFLOPS

-

FP64 (double)

563.2 GFLOPS

Board Design

59W

TDP

200W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

-

Power Connectors

2x 6-pin

Graphics Processor

RV730

GPU Name

Cayman

RV730 XT (215-0719047)

GPU Variant

Cayman PRO (215-0807019)

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

2.64 billion

146 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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