ATI Radeon X1650 vs AMD Radeon HD 6450

VS

ATI Radeon X1650

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1650 and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 's Advantages

Released 3 years and 5 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 6.400GB/s)

160 additional rendering cores

Score

Radeon X1650

VS

Radeon HD 6450

Graphics Card

Nov 2007

Release Date

Apr 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

800 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

25.60GB/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

2.540 GPixel/s

Pixel Rate

2.500 GPixel/s

2.540 GTexel/s

Texture Rate

5.000 GTexel/s

-

FP32 (float)

200.0 GFLOPS

-

Board Design

Unknown

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

Caicos PRO

Ultra-Threaded SE

Architecture

TeraScale 2

UMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.105 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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