AMD Radeon HD 7670 OEM vs ATI Radeon HD 3850 X2

VS

AMD Radeon HD 7670 OEM

ATI Radeon HD 3850 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 512MB VRAM Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670 OEM 's Advantages

Released 3 years and 9 months late

Larger VRAM bandwidth (64.00GB/s vs 52.99GB/s)

160 additional rendering cores

Lower TDP (66W vs 140W)

Score

Benchmark

FP32 (float)

Radeon HD 7670 OEM +79%

0.768 TFLOPS

Radeon HD 3850 X2

0.428 TFLOPS

Radeon HD 7670 OEM

VS

Radeon HD 3850 X2

Graphics Card

Jan 2012

Release Date

Apr 2008

Southern Islands

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

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

52.99GB/s

Render Config

6

Compute Units

4

-

480

Shading Units

320

24

TMUs

16

8

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

10.70 GPixel/s

19.20 GTexel/s

Texture Rate

10.70 GTexel/s

-

768.0 GFLOPS

FP32 (float)

428.2 GFLOPS

-

FP64 (double)

85.63 GFLOPS

Board Design

66W

TDP

140W

250 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.1 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

Turks

GPU Name

RV670

Turks XT (215-0803000)

GPU Variant

RV670 PRO (215-0708003)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.666 billion

118 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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