AMD Radeon HD 6450 OEM vs NVIDIA GeForce 6800 XT

VS

AMD Radeon HD 6450 OEM

NVIDIA GeForce 6800 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 256MB VRAM GeForce 6800 XT 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 5 years and 5 months late

More VRAM (512GB vs 256GB)

160 additional rendering cores

NVIDIA GeForce 6800 XT 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 8.528GB/s)

Score

Radeon HD 6450 OEM

VS

GeForce 6800 XT

Graphics Card

Feb 2011

Release Date

Sep 2005

Northern Islands

Generation

GeForce 6 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

533 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

8.528GB/s

Bandwidth

38.40GB/s

Render Config

2

Compute Units

-

160

Shading Units

-

8

TMUs

12

4

ROPs

8

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

3.600 GPixel/s

5.000 GTexel/s

Texture Rate

5.400 GTexel/s

-

200.0 GFLOPS

FP32 (float)

-

Board Design

18W

TDP

Unknown

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

1x Molex

Graphics Processor

Caicos

GPU Name

NV42

Junbonator

GPU Variant

6800 XT

TeraScale 2

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

0.37 billion

Transistors

0.202 billion

67 mm²

Die Size

222 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.0 (full) 2.1 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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