NVIDIA GeForce GTX 460 X2 vs ATI Radeon X800 GT AGP

VS

NVIDIA GeForce GTX 460 X2

ATI Radeon X800 GT AGP

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 256MB VRAM Radeon X800 GT AGP 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 3 years and 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 31.55GB/s)

336 additional rendering cores

ATI Radeon X800 GT AGP 's Advantages

Lower TDP (40W vs 160W)

Score

GeForce GTX 460 X2

VS

Radeon X800 GT AGP

Graphics Card

Mar 2011

Release Date

Nov 2007

GeForce 400

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

900 MHz

Memory Clock

493 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

31.55GB/s

Render Config

-

7

SM Count

-

336

Shading Units

-

56

TMUs

8

32

ROPs

8

-

64 KB (per SM)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

3.784 GPixel/s

39.26 GTexel/s

Texture Rate

3.784 GTexel/s

-

941.5 GFLOPS

FP32 (float)

-

78.46 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

40W

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

1x Molex

Graphics Processor

GF104

GPU Name

R420

GF104-300-KB-A1

GPU Variant

R420 GT (215RAACGA12F)

Fermi

Architecture

R400

TSMC

Foundry

TSMC

40 nm

Process Size

130 nm

1.95 billion

Transistors

0.16 billion

332 mm²

Die Size

281 mm²

Graphics Features

12 (11_0)

DirectX

9.0b (9_2)

4.6

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

-

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