ATI Radeon HD 5670 vs ATI Radeon HD 4450

VS

ATI Radeon HD 5670

ATI Radeon HD 4450

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 6.400GB/s)

320 additional rendering cores

ATI Radeon HD 4450 's Advantages

Released 1 years and 10 months late

Lower TDP (25W vs 64W)

Score

Benchmark

FP32 (float)

Radeon HD 5670 +545%

0.62 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon HD 5670

VS

Radeon HD 4450

Graphics Card

Jan 2010

Release Date

Nov 2011

Evergreen

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

6.400GB/s

Render Config

5

Compute Units

1

-

400

Shading Units

80

20

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

-

Theoretical Performance

6.200 GPixel/s

Pixel Rate

2.400 GPixel/s

15.50 GTexel/s

Texture Rate

4.800 GTexel/s

-

620.0 GFLOPS

FP32 (float)

96.00 GFLOPS

-

Board Design

64W

TDP

25W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

RV710

Redwood XT (215-0757002)

GPU Variant

RV710 (215-0725016)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.627 billion

Transistors

0.242 billion

104 mm²

Die Size

73 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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