AMD Radeon HD 6670 vs ATI Radeon X1550 PCI

VS

AMD Radeon HD 6670

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670 's Advantages

Released 4 years and 3 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 4.256GB/s)

480 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 66W)

Score

Radeon HD 6670

VS

Radeon X1550 PCI

Graphics Card

Apr 2011

Release Date

Jan 2007

Northern Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

266 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

4.256GB/s

Render Config

6

Compute Units

-

480

Shading Units

-

24

TMUs

4

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

1.808 GPixel/s

19.20 GTexel/s

Texture Rate

1.808 GTexel/s

-

768.0 GFLOPS

FP32 (float)

-

Board Design

66W

TDP

27W

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

Turks

GPU Name

RV516

Turks XT (215-0803000)

GPU Variant

-

TeraScale 2

Architecture

R500

TSMC

Foundry

UMC

40 nm

Process Size

80 nm

0.716 billion

Transistors

0.107 billion

118 mm²

Die Size

100 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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