NVIDIA GeForce 6800 vs ATI Radeon HD 4650

VS

NVIDIA GeForce 6800

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 and 256MB VRAM Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4650 's Advantages

Released 3 years and 10 months late

Larger VRAM bandwidth (22.40GB/s vs 19.20GB/s)

320 additional rendering cores

Score

GeForce 6800

VS

Radeon HD 4650

Graphics Card

Nov 2004

Release Date

Sep 2008

GeForce 6 PCIe

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

300 MHz

Memory Clock

700 MHz

Memory

256MB

Memory Size

256MB

DDR

Memory Type

GDDR3

256bit

Memory Bus

128bit

19.20GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

-

Shading Units

320

12

TMUs

32

8

ROPs

8

-

L1 Cache

16 KB (per CU)

-

L2 Cache

128 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

4.800 GPixel/s

3.900 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP32 (float)

384.0 GFLOPS

-

Board Design

Unknown

TDP

48W

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

NV41

GPU Name

RV730

-

GPU Variant

RV730 PRO (215-0719056)

Curie

Architecture

TeraScale

TSMC

Foundry

TSMC

130 nm

Process Size

55 nm

0.19 billion

Transistors

0.514 billion

225 mm²

Die Size

146 mm²

Graphics Features

9.0c (9_3)

DirectX

10.1 (10_1)

2.0 (full) 2.1 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

3.0

Shader Model

4.1

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