NVIDIA GeForce GTX 490 vs ATI Radeon X1950 XTX Uber Edition

VS

NVIDIA GeForce GTX 490

ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 512MB VRAM Radeon X1950 XTX Uber Edition 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 512GB)

Larger VRAM bandwidth (164.0GB/s vs 67.20GB/s)

480 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 365W)

Score

GeForce GTX 490

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Unknown

Release Date

Jan 2007

GeForce 400

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

854 MHz

Memory Clock

1050 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

384bit

Memory Bus

256bit

164.0GB/s

Bandwidth

67.20GB/s

Render Config

-

15

SM Count

-

480

Shading Units

-

60

TMUs

16

48

ROPs

16

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

10.72 GPixel/s

36.48 GTexel/s

Texture Rate

10.72 GTexel/s

-

1166 GFLOPS

FP32 (float)

-

145.8 GFLOPS

FP64 (double)

-

Board Design

365W

TDP

125W

750 W

Suggested PSU

300 W

3x DVI 1x mini-DisplayPort

Outputs

1x DVI 1x VHDCI

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GF100

GPU Name

R580+

GF100-375-A3

GPU Variant

R580+ XT (215BAABKA31FG)

Fermi

Architecture

R500

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

3.1 billion

Transistors

0.384 billion

529 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

3.0

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