NVIDIA GeForce GTX 490 vs ATI Radeon X1550 PCI

VS

NVIDIA GeForce GTX 490

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 256MB VRAM Radeon X1550 PCI 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 4.256GB/s)

480 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 365W)

Score

GeForce GTX 490

VS

Radeon X1550 PCI

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

266 MHz

Memory

1536MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

164.0GB/s

Bandwidth

4.256GB/s

Render Config

-

15

SM Count

-

480

Shading Units

-

60

TMUs

4

48

ROPs

4

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

1.808 GPixel/s

36.48 GTexel/s

Texture Rate

1.808 GTexel/s

-

1166 GFLOPS

FP32 (float)

-

145.8 GFLOPS

FP64 (double)

-

Board Design

365W

TDP

27W

750 W

Suggested PSU

200 W

3x DVI 1x mini-DisplayPort

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

GF100

GPU Name

RV516

GF100-375-A3

GPU Variant

-

Fermi

Architecture

R500

TSMC

Foundry

UMC

40 nm

Process Size

80 nm

3.1 billion

Transistors

0.107 billion

529 mm²

Die Size

100 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

3.0

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