AMD · Radeon

AMD Radeon X1800 GTO

The AMD Radeon X1800 GTO is a graphics card released on March 9, 2006. It has 512 MB of GDDR3 memory, 32.0 GB/s of memory bandwidth, a boost clock of 500 MHz and a 48 W board power rating. It scores 141 in the PassMark G3D benchmark. It supports DirectX 9.0c and OpenGL 2.1.

R520

6/10 key specs recorded · 22 facts

Depth: 28 recorded fields

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 6 of 10 tracked specifications recorded.

PassMark Videocard Benchmark Wikipedia GPU list tables (wikigrid-2026-09)PassMark Videocard Benchmark

Shading units

n/a

Memory

512 MB

GDDR3

Boost clock

n/a

500 MHz base

Board power

48 W

Performance

The AMD Radeon X1800 GTO scores 141 in the PassMark G3D benchmark, higher than 21.1% of the 2,658 GPUs benchmarked (PassMark rank #2,291), measured across 13 submitted results. Its PassMark G2D score is 415.

PassMark G3D Mark

141

Rank #2,291
Faster than 21.1% of 2,658 GPUs
13 samples

0relative to the fastest GPU on record (41,928)

As stated by PassMark

Category Desktop

Bus interface PCI-E x16

Max memory 512 MB

Core clock 500 MHz

Memory clock 495 MHz

DirectX 9.0c

OpenGL 2

Max TDP 48 W

First benchmarked 2009-07-10

Samples 13

PassMark listing (collected 2026-10-01)

PassMark's own listing for the AMD Radeon X1800 GTO states the PCI-E x16 interface, up to 512 MB of memory, a core clock of 500 MHz, DirectX 9.0c and OpenGL 2, first benchmarked on 2009-07-10. These are PassMark's figures, shown separately from the specification tables above.

Graphics processor

Architecture Not recorded

Codename R520

Chip Not recorded

Process node Not recorded

Transistors Not recorded

Die size Not recorded

The AMD Radeon X1800 GTO uses the R520 graphics processor.

Clock speeds

Base clock 500 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Radeon X1800 GTO runs at a base clock of 500 MHz.

Memory

Size 512 MB

Type GDDR3

Bus width Not recorded

Bandwidth 32.0 GB/s

The AMD Radeon X1800 GTO is equipped with 512 MB of GDDR3 memory and delivers 32.0 GB/s of memory bandwidth.

Board and power

The AMD Radeon X1800 GTO has a board power rating of 48 W and it connects over PCI-E x16.

Board power (TDP) 48 W

Total board power Not recorded

Suggested PSU Not recorded

Power connectors Not recorded

Slot width Not recorded

Length Not recorded

Width Not recorded

Height Not recorded

Cooler Not recorded

Max temperature Not recorded

Bus interface PCI-E x16

Market

Launched March 9, 2006

Launch price $249

Status Not recorded

Form factor Not recorded

Segment Desktop

Series Radeon

The AMD Radeon X1800 GTO was released on March 9, 2006 and launched at a price of $249.

Benchmarks

PassMark G3D 141

PassMark G2D 415

Rank #2,291

Samples 13

Graphics and compute APIs

The AMD Radeon X1800 GTO supports DirectX 9.0c and OpenGL 2.1.

DirectX 9.0c (stated by PassMark)

OpenGL 2.1

CUDA is an NVIDIA technology and does not apply to the AMD Radeon X1800 GTO. Feex has no recorded Vulkan version for the AMD Radeon X1800 GTO. Feex has no recorded OpenCL version for the AMD Radeon X1800 GTO.