NVIDIA GeForce 6800 vs ATI Radeon HD 4850

VS

We compared two Desktop platform GPUs: 256MB VRAM GeForce 6800 and 512MB VRAM Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4850 's Advantages

Released 3 years and 7 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (63.55GB/s vs 19.20GB/s)

800 additional rendering cores

Score

GeForce 6800

VS

Radeon HD 4850

Graphics Card

Nov 2004

Release Date

Jun 2008

GeForce 6 PCIe

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

300 MHz

Memory Clock

993 MHz

Memory

256MB

Memory Size

512MB

DDR

Memory Type

GDDR3

256bit

Memory Bus

256bit

19.20GB/s

Bandwidth

63.55GB/s

Render Config

-

SM Count

-

Compute Units

10

-

Shading Units

800

12

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

Theoretical Performance

2.600 GPixel/s

Pixel Rate

10.00 GPixel/s

3.900 GTexel/s

Texture Rate

25.00 GTexel/s

-

FP16 (half)

-

FP32 (float)

1000 GFLOPS

-

FP64 (double)

200.0 GFLOPS

Graphics Processor

NV41

GPU Name

RV770

-

GPU Variant

RV770 PRO (215-0669065)

Curie

Architecture

TeraScale

TSMC

Foundry

TSMC

130 nm

Process Size

55 nm

0.19 billion

Transistors

0.956 billion

225 mm²

Die Size

256 mm²

Board Design

Unknown

TDP

110W

200 W

Suggested PSU

300 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

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

-

CUDA

-

3.0

Shader Model

4.1

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