ATI Radeon HD 4670 AGP vs ATI Radeon HD 3450 X2

VS

ATI Radeon HD 4670 AGP

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4670 AGP and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 AGP 's Advantages

Released 1 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (25.60GB/s vs 8.000GB/s)

280 additional rendering cores

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 59W)

Score

Benchmark

FP32 (float)

Radeon HD 4670 AGP +900%

0.48 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon HD 4670 AGP

VS

Radeon HD 3450 X2

Graphics Card

Jul 2009

Release Date

Dec 2007

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

8.000GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

40

32

TMUs

4

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

2.400 GPixel/s

24.00 GTexel/s

Texture Rate

2.400 GTexel/s

-

480.0 GFLOPS

FP32 (float)

48.00 GFLOPS

-

Board Design

59W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DMS-59

-

Power Connectors

None

Graphics Processor

RV730

GPU Name

RV620

RV730 XT (215-0719047)

GPU Variant

RV620 LE

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.514 billion

Transistors

0.181 billion

146 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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