AMD Radeon HD 6850 1440SP Edition vs ATI Radeon X1550 PCI

VS

AMD Radeon HD 6850 1440SP Edition

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition 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 6850 1440SP Edition 's Advantages

Released 5 years and 7 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (128.0GB/s vs 4.256GB/s)

1440 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 151W)

Score

Radeon HD 6850 1440SP Edition

VS

Radeon X1550 PCI

Graphics Card

Aug 2012

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

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

4.256GB/s

Render Config

18

Compute Units

-

1440

Shading Units

-

72

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

1.808 GPixel/s

52.20 GTexel/s

Texture Rate

1.808 GTexel/s

-

2.088 TFLOPS

FP32 (float)

-

417.6 GFLOPS

FP64 (double)

-

Board Design

151W

TDP

27W

450 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

RV516

Cypress PRO (215-0735043)

GPU Variant

-

TeraScale 2

Architecture

R500

TSMC

Foundry

UMC

40 nm

Process Size

80 nm

2.154 billion

Transistors

0.107 billion

334 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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