NVIDIA GeForce 6800 vs AMD Radeon HD 6450 OEM

VS

NVIDIA GeForce 6800

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 6800 's Advantages

Larger VRAM bandwidth (19.20GB/s vs 8.528GB/s)

AMD Radeon HD 6450 OEM 's Advantages

Released 6 years and 3 months late

More VRAM (512GB vs 256GB)

160 additional rendering cores

Score

GeForce 6800

VS

Radeon HD 6450 OEM

Graphics Card

Nov 2004

Release Date

Feb 2011

GeForce 6 PCIe

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

300 MHz

Memory Clock

533 MHz

Memory

256MB

Memory Size

512MB

DDR

Memory Type

GDDR3

256bit

Memory Bus

64bit

19.20GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

-

Shading Units

160

12

TMUs

8

ROPs

4

-

L1 Cache

8 KB (per CU)

-

L2 Cache

128 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

2.500 GPixel/s

3.900 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

NV41

GPU Name

Caicos

-

GPU Variant

Junbonator

Curie

Architecture

TeraScale 2

TSMC

Foundry

TSMC

130 nm

Process Size

40 nm

0.19 billion

Transistors

0.37 billion

225 mm²

Die Size

67 mm²

Graphics Features

9.0c (9_3)

DirectX

11.2 (11_0)

2.0 (full) 2.1 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

3.0

Shader Model

5.0

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