ATI Radeon HD 4670 vs ATI Radeon HD 3850 X2

VS

ATI Radeon HD 4670

ATI Radeon HD 3850 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 512MB VRAM Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 's Advantages

Lower TDP (59W vs 140W)

ATI Radeon HD 3850 X2 's Advantages

Larger VRAM bandwidth (52.99GB/s vs 32.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4670 +12%

0.48 TFLOPS

Radeon HD 3850 X2

0.428 TFLOPS

Radeon HD 4670

VS

Radeon HD 3850 X2

Graphics Card

Sep 2008

Release Date

Apr 2008

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

52.99GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

32

TMUs

16

8

ROPs

16

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

10.70 GPixel/s

24.00 GTexel/s

Texture Rate

10.70 GTexel/s

-

480.0 GFLOPS

FP32 (float)

428.2 GFLOPS

-

FP64 (double)

85.63 GFLOPS

Board Design

59W

TDP

140W

250 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

RV730

GPU Name

RV670

RV730 XT (215-0719047)

GPU Variant

RV670 PRO (215-0708003)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.514 billion

Transistors

0.666 billion

146 mm²

Die Size

192 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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