ATI Radeon HD 5670 vs ATI Radeon HD 3450

VS

ATI Radeon HD 5670

ATI Radeon HD 3450

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages

Released 2 years and 1 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 8.000GB/s)

360 additional rendering cores

ATI Radeon HD 3450 's Advantages

Lower TDP (25W vs 64W)

Score

Benchmark

FP32 (float)

Radeon HD 5670 +1191%

0.62 TFLOPS

Radeon HD 3450

0.048 TFLOPS

Radeon HD 5670

VS

Radeon HD 3450

Graphics Card

Jan 2010

Release Date

Dec 2007

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

8.000GB/s

Render Config

5

Compute Units

2

-

400

Shading Units

40

20

TMUs

4

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

6.200 GPixel/s

Pixel Rate

2.400 GPixel/s

15.50 GTexel/s

Texture Rate

2.400 GTexel/s

-

620.0 GFLOPS

FP32 (float)

48.00 GFLOPS

-

Board Design

64W

TDP

25W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

RV620

Redwood XT (215-0757002)

GPU Variant

RV620 LE

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.627 billion

Transistors

0.181 billion

104 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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