ATI Radeon HD 5670 vs ATI Radeon HD 4650

VS

ATI Radeon HD 5670

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 256MB VRAM Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages

Released 1 years and 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 22.40GB/s)

80 additional rendering cores

ATI Radeon HD 4650 's Advantages

Lower TDP (48W vs 64W)

Score

Benchmark

FP32 (float)

Radeon HD 5670 +61%

0.62 TFLOPS

Radeon HD 4650

0.384 TFLOPS

Radeon HD 5670

VS

Radeon HD 4650

Graphics Card

Jan 2010

Release Date

Sep 2008

Evergreen

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

22.40GB/s

Render Config

5

Compute Units

4

-

400

Shading Units

320

20

TMUs

32

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.200 GPixel/s

Pixel Rate

4.800 GPixel/s

15.50 GTexel/s

Texture Rate

19.20 GTexel/s

-

620.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

64W

TDP

48W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

Redwood

GPU Name

RV730

Redwood XT (215-0757002)

GPU Variant

RV730 PRO (215-0719056)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.627 billion

Transistors

0.514 billion

104 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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