ATI Radeon X1550 vs AMD Radeon HD 6450 OEM

VS

ATI Radeon X1550

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1550 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1550 's Advantages

Larger VRAM bandwidth (12.80GB/s vs 8.528GB/s)

AMD Radeon HD 6450 OEM 's Advantages

Released 4 years and 1 months late

More VRAM (512GB vs 256GB)

160 additional rendering cores

Lower TDP (18W vs 27W)

Score

Radeon X1550

VS

Radeon HD 6450 OEM

Graphics Card

Jan 2007

Release Date

Feb 2011

Radeon R500 PCIe

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

533 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

64bit

12.80GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

-

Shading Units

160

4

TMUs

8

4

ROPs

4

-

L1 Cache

8 KB (per CU)

-

L2 Cache

128 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

2.500 GPixel/s

2.200 GTexel/s

Texture Rate

5.000 GTexel/s

-

FP32 (float)

200.0 GFLOPS

-

Board Design

27W

TDP

18W

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

RV516

GPU Name

Caicos

-

GPU Variant

Junbonator

R500

Architecture

TeraScale 2

UMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.107 billion

Transistors

0.37 billion

100 mm²

Die Size

67 mm²

Graphics Features

9.0c (9_3)

DirectX

11.2 (11_0)

2.1

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

3.0

Shader Model

5.0

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