AMD Radeon HD 6950 vs ATI Radeon X1550 AGP

VS

AMD Radeon HD 6950

ATI Radeon X1550 AGP

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 256MB VRAM Radeon X1550 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

Released 3 years and 11 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 5.280GB/s)

1408 additional rendering cores

ATI Radeon X1550 AGP 's Advantages

Lower TDP (27W vs 200W)

Score

Radeon HD 6950

VS

Radeon X1550 AGP

Graphics Card

Dec 2010

Release Date

Jan 2007

Northern Islands

Generation

Radeon R500 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1250 MHz

Memory Clock

330 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

5.280GB/s

Render Config

22

Compute Units

-

1408

Shading Units

-

88

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

2.400 GPixel/s

70.40 GTexel/s

Texture Rate

2.400 GTexel/s

-

2.253 TFLOPS

FP32 (float)

-

563.2 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

27W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

RV505

Cayman PRO (215-0807019)

GPU Variant

-

TeraScale 3

Architecture

R500

TSMC

Foundry

TSMC

40 nm

Process Size

90 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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