AMD Radeon HD 6970 vs ATI Radeon X1550 PCI

VS

AMD Radeon HD 6970

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 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 6970 's Advantages

Released 3 years and 11 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (176.0GB/s vs 4.256GB/s)

1536 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 250W)

Score

Radeon HD 6970

VS

Radeon X1550 PCI

Graphics Card

Dec 2010

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

-

1375 MHz

Memory Clock

266 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

4.256GB/s

Render Config

24

Compute Units

-

1536

Shading Units

-

96

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

1.808 GPixel/s

84.48 GTexel/s

Texture Rate

1.808 GTexel/s

-

2.703 TFLOPS

FP32 (float)

-

675.8 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

27W

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

RV516

Cayman XT (215-0807007)

GPU Variant

-

TeraScale 3

Architecture

R500

TSMC

Foundry

UMC

40 nm

Process Size

80 nm

2.64 billion

Transistors

0.107 billion

389 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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