ATI Radeon HD 4670 vs ATI Radeon HD 3870 Mac Edition

VS

ATI Radeon HD 4670

ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 512MB VRAM Radeon HD 3870 Mac Edition 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 106W)

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 32.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4670

0.48 TFLOPS

Radeon HD 3870 Mac Edition +3%

0.497 TFLOPS

Radeon HD 4670

VS

Radeon HD 3870 Mac Edition

Graphics Card

Sep 2008

Release Date

Jun 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

1126 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR4

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

72.06GB/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

12.43 GPixel/s

24.00 GTexel/s

Texture Rate

12.43 GTexel/s

-

480.0 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

59W

TDP

106W

250 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

RV730

GPU Name

RV670

RV730 XT (215-0719047)

GPU Variant

RV670 XT (215-0708005)

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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