AMD RADEON X850 XT Platinum Edition
The AMD RADEON X850 XT Platinum Edition is a graphics card released on December 21, 2004. It has 256 MB of GDDR3 memory, 37.8 GB/s of memory bandwidth and a boost clock of 540 MHz. It scores 82 in the PassMark G3D benchmark. It supports DirectX 9.0b and OpenGL 2.
Depth: 27 recorded fields
Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 5 of 10 tracked specifications recorded.
Performance
The AMD RADEON X850 XT Platinum Edition scores 82 in the PassMark G3D benchmark, higher than 14.9% of the 2,658 GPUs benchmarked (PassMark rank #2,456), measured across 9 submitted results. Its PassMark G2D score is 261.
As stated by PassMark
PassMark's own listing for the AMD RADEON X850 XT Platinum Edition states the PCI-E x16 interface, up to 256 MB of memory, a core clock of 540 MHz, DirectX 9.0b and OpenGL 2, first benchmarked on 2011-03-30. These are PassMark's figures, shown separately from the specification tables above.
Graphics processor
The AMD RADEON X850 XT Platinum Edition uses the R480 (thor) graphics processor.
Shader configuration
The AMD RADEON X850 XT Platinum Edition 16 texture mapping units and 16 render output units.
The AMD RADEON X850 XT Platinum Edition does not use XMX engines; those are specific to Intel Arc graphics.
Clock speeds
The AMD RADEON X850 XT Platinum Edition runs at a base clock of 540 MHz.
Memory
The AMD RADEON X850 XT Platinum Edition is equipped with 256 MB of GDDR3 memory and delivers 37.8 GB/s of memory bandwidth.
Board and power
The AMD RADEON X850 XT Platinum Edition it connects over PCI-E x16.
Market
The AMD RADEON X850 XT Platinum Edition was released on December 21, 2004.
Benchmarks
Graphics and compute APIs
The AMD RADEON X850 XT Platinum Edition supports DirectX 9.0b and OpenGL 2.
CUDA is an NVIDIA technology and does not apply to the AMD RADEON X850 XT Platinum Edition. Feex has no recorded Vulkan version for the AMD RADEON X850 XT Platinum Edition. Feex has no recorded OpenCL version for the AMD RADEON X850 XT Platinum Edition.
Naming and aliases
The AMD RADEON X850 XT Platinum Edition is also known by other names: PassMark also lists it as ATI RADEON X850 XT Platinum Edition, RADEON X850 XT Platinum Edition and RADEON X850 XT Platinum Edition Secondary.
Frequently asked questions
How much VRAM does the AMD RADEON X850 XT Platinum Edition have?
The AMD RADEON X850 XT Platinum Edition has 256 MB of GDDR3 memory. Its memory bandwidth is 37.8 GB/s.
How fast is the AMD RADEON X850 XT Platinum Edition?
The AMD RADEON X850 XT Platinum Edition scores 82 in the PassMark G3D benchmark, higher than 14.9% of the 2,658 GPUs benchmarked. Its PassMark rank is #2,456.
What bus interface does the AMD RADEON X850 XT Platinum Edition use?
The AMD RADEON X850 XT Platinum Edition connects over PCI-E x16.
When was the AMD RADEON X850 XT Platinum Edition released?
The AMD RADEON X850 XT Platinum Edition was released on December 21, 2004.