NVIDIA GeForce GTX 490 vs NVIDIA GeForce 6800 GS

VS

NVIDIA GeForce GTX 490

NVIDIA GeForce 6800 GS

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 256MB VRAM GeForce 6800 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (164.0GB/s vs 32.00GB/s)

480 additional rendering cores

Score

GeForce GTX 490

VS

GeForce 6800 GS

Graphics Card

Unknown

Release Date

Nov 2005

GeForce 400

Generation

GeForce 6 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

854 MHz

Memory Clock

500 MHz

Memory

1536MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

164.0GB/s

Bandwidth

32.00GB/s

Render Config

-

15

SM Count

-

480

Shading Units

-

60

TMUs

12

48

ROPs

8

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

3.400 GPixel/s

36.48 GTexel/s

Texture Rate

5.100 GTexel/s

-

1166 GFLOPS

FP32 (float)

-

145.8 GFLOPS

FP64 (double)

-

Board Design

365W

TDP

Unknown

750 W

Suggested PSU

200 W

3x DVI 1x mini-DisplayPort

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GF100

GPU Name

NV41

GF100-375-A3

GPU Variant

-

Fermi

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

130 nm

3.1 billion

Transistors

0.19 billion

529 mm²

Die Size

225 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.0 (full) 2.1 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

3.0

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