ATI Radeon HD 3830 vs NVIDIA GeForce 6800 XT

VS

ATI Radeon HD 3830

NVIDIA GeForce 6800 XT

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3830 and 256MB VRAM GeForce 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3830 's Advantages

Released 2 years and 7 months late

320 additional rendering cores

NVIDIA GeForce 6800 XT 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 26.50GB/s)

Score

Radeon HD 3830

VS

GeForce 6800 XT

Graphics Card

Apr 2008

Release Date

Sep 2005

Radeon R600

Generation

GeForce 6 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

828 MHz

Memory Clock

600 MHz

Memory

256MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

26.50GB/s

Bandwidth

38.40GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

16

TMUs

12

16

ROPs

8

-

128 KB

L2 Cache

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

3.600 GPixel/s

10.69 GTexel/s

Texture Rate

5.400 GTexel/s

-

427.5 GFLOPS

FP32 (float)

-

85.50 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

Unknown

250 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

1x Molex

Graphics Processor

RV670

GPU Name

NV42

RV670 PRO (215-0708003)

GPU Variant

6800 XT

TeraScale

Architecture

Curie

TSMC

Foundry

TSMC

55 nm

Process Size

110 nm

0.666 billion

Transistors

0.202 billion

192 mm²

Die Size

222 mm²

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3 (full) 4.0 (partial)

OpenGL

2.0 (full) 2.1 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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