AMD Radeon HD 6450 OEM vs ATI Radeon X1550 PCI

VS

AMD Radeon HD 6450 OEM

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM 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 6450 OEM 's Advantages

Released 4 years and 1 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (8.528GB/s vs 4.256GB/s)

160 additional rendering cores

Lower TDP (18W vs 27W)

Score

Radeon HD 6450 OEM

VS

Radeon X1550 PCI

Graphics Card

Feb 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

-

533 MHz

Memory Clock

266 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

64bit

Memory Bus

64bit

8.528GB/s

Bandwidth

4.256GB/s

Render Config

2

Compute Units

-

160

Shading Units

-

8

TMUs

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

1.808 GPixel/s

5.000 GTexel/s

Texture Rate

1.808 GTexel/s

-

200.0 GFLOPS

FP32 (float)

-

Board Design

18W

TDP

27W

200 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

Caicos

GPU Name

RV516

Junbonator

GPU Variant

-

TeraScale 2

Architecture

R500

TSMC

Foundry

UMC

40 nm

Process Size

80 nm

0.37 billion

Transistors

0.107 billion

67 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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