AMD Radeon HD 3870 X2
The AMD Radeon HD 3870 X2 is a graphics card released on January 28, 2008. It has 512 MB of video memory, a boost clock of 825 MHz and a 165 W board power rating. It scores 587 in the PassMark G3D benchmark. It supports DirectX 10.1 and OpenGL 3.3.
Depth: 26 recorded fields, 2 PassMark workloads
Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 4 of 10 tracked specifications recorded.
Performance
The AMD Radeon HD 3870 X2 scores 587 in the PassMark G3D benchmark, higher than 40.7% of the 2,658 GPUs benchmarked (PassMark rank #1,773), measured across 124 submitted results. Its PassMark G2D score is 117.
PassMark workload tests
In the PassMark workload tests the AMD Radeon HD 3870 X2 averages DirectX 9 21 fps and DirectX 10 2 fps, across 124 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.
As stated by PassMark
PassMark's own listing for the AMD Radeon HD 3870 X2 states the PCIe 2.0 x16 interface, up to 512 MB of memory, a core clock of 825,825 MHz, DirectX 10.1 and OpenGL 3.3, first benchmarked on 2011-11-22. These are PassMark's figures, shown separately from the specification tables above.
Graphics processor
The AMD Radeon HD 3870 X2 uses the R680 graphics processor.
Clock speeds
The AMD Radeon HD 3870 X2 runs at a base clock of 825 MHz.
Memory
The AMD Radeon HD 3870 X2 is equipped with 512 MB of memory.
Board and power
The AMD Radeon HD 3870 X2 has a board power rating of 165 W and it connects over PCIe 2.0 x16.
Market
The AMD Radeon HD 3870 X2 was released on January 28, 2008 and launched at a price of $449.
Benchmarks
Graphics and compute APIs
The AMD Radeon HD 3870 X2 supports DirectX 10.1 and OpenGL 3.3.
CUDA is an NVIDIA technology and does not apply to the AMD Radeon HD 3870 X2. Feex has no recorded Vulkan version for the AMD Radeon HD 3870 X2. Feex has no recorded OpenCL version for the AMD Radeon HD 3870 X2.
Naming and aliases
The AMD Radeon HD 3870 X2 is also known by other names: PassMark also lists it as ATI Radeon HD 3870 X2.
Frequently asked questions
How much VRAM does the AMD Radeon HD 3870 X2 have?
The AMD Radeon HD 3870 X2 has 512 MB of video memory.
How much power does the AMD Radeon HD 3870 X2 use and what power supply does it need?
The AMD Radeon HD 3870 X2 has a board power rating of 165 W.
How fast is the AMD Radeon HD 3870 X2?
The AMD Radeon HD 3870 X2 scores 587 in the PassMark G3D benchmark, higher than 40.7% of the 2,658 GPUs benchmarked. Its PassMark rank is #1,773.
What bus interface does the AMD Radeon HD 3870 X2 use?
The AMD Radeon HD 3870 X2 connects over PCIe 2.0 x16.
When was the AMD Radeon HD 3870 X2 released and how much did it cost at launch?
The AMD Radeon HD 3870 X2 was released on January 28, 2008 and launched at a price of $449.