AMD Radeon HD 6930 vs ATI Radeon HD 4670

VS

AMD Radeon HD 6930

ATI Radeon HD 4670

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6930 and 512MB VRAM Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6930 's Advantages

Released 3 years and 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 32.00GB/s)

960 additional rendering cores

ATI Radeon HD 4670 's Advantages

Lower TDP (59W vs 186W)

Score

Benchmark

FP32 (float)

Radeon HD 6930 +300%

1.92 TFLOPS

Radeon HD 4670

0.48 TFLOPS

Radeon HD 6930

VS

Radeon HD 4670

Graphics Card

Dec 2011

Release Date

Sep 2008

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

32.00GB/s

Render Config

20

Compute Units

4

-

1280

Shading Units

320

80

TMUs

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

24.00 GPixel/s

Pixel Rate

6.000 GPixel/s

60.00 GTexel/s

Texture Rate

24.00 GTexel/s

-

1.920 TFLOPS

FP32 (float)

480.0 GFLOPS

FP64 (double)

-

Board Design

186W

TDP

59W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

RV730

Cayman CE (215-0807105)

GPU Variant

RV730 XT (215-0719047)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.514 billion

389 mm²

Die Size

146 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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