NVIDIA GeForce GTX 460 X2 vs ATI Radeon X1550 PCI

VS

NVIDIA GeForce GTX 460 X2

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 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 460 X2 's Advantages

Released 4 years and 2 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 4.256GB/s)

336 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 160W)

Score

GeForce GTX 460 X2

VS

Radeon X1550 PCI

Graphics Card

Mar 2011

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

-

900 MHz

Memory Clock

266 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

4.256GB/s

Render Config

-

7

SM Count

-

336

Shading Units

-

56

TMUs

4

32

ROPs

4

-

64 KB (per SM)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

1.808 GPixel/s

39.26 GTexel/s

Texture Rate

1.808 GTexel/s

-

941.5 GFLOPS

FP32 (float)

-

78.46 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

27W

450 W

Suggested PSU

200 W

3x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

GF104

GPU Name

RV516

GF104-300-KB-A1

GPU Variant

-

Fermi

Architecture

R500

TSMC

Foundry

UMC

40 nm

Process Size

80 nm

1.95 billion

Transistors

0.107 billion

332 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

2.1

CUDA

-

5.1

Shader Model

3.0

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