AMD Mobility Radeon HD 4870
The AMD Mobility Radeon HD 4870 is a graphics card released on January 9, 2009. It has 800 shading units, 1 GB of video memory and a boost clock of 550 MHz. It scores 720 in the PassMark G3D benchmark. It supports DirectX 10.1 and OpenGL 3.3.
Depth: 25 recorded fields
Specification data last verified August 11, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 4 of 10 tracked specifications recorded.
Performance
The AMD Mobility Radeon HD 4870 scores 720 in the PassMark G3D benchmark, higher than 46.4% of the 2,658 GPUs benchmarked (PassMark rank #1,618), measured across 29 submitted results. Its PassMark G2D score is 416.
As stated by PassMark
PassMark's own listing for the AMD Mobility Radeon HD 4870 states the PCIe x16 2.0 interface, up to 1 GB of memory, a core clock of 550 MHz, DirectX 10.1 and OpenGL 3.3, first benchmarked on 2010-09-11. These are PassMark's figures, shown separately from the specification tables above.
Not to be confused with
This page covers the AMD Mobility Radeon HD 4870 specifically. It is a different product from AMD Mobility Radeon HD 4870 X2, which have their own specifications. Check the exact model name before comparing figures.
Graphics processor
The AMD Mobility Radeon HD 4870 uses the RV770 graphics processor.
Shader configuration
The AMD Mobility Radeon HD 4870 has 800 shading units, 40 texture mapping units and 16 render output units.
The AMD Mobility Radeon HD 4870 does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Mobility Radeon HD 4870.
Clock speeds
The AMD Mobility Radeon HD 4870 runs at a base clock of 550 MHz.
Memory
The AMD Mobility Radeon HD 4870 is equipped with 1 GB of memory.
Board and power
The AMD Mobility Radeon HD 4870 it connects over PCIe x16 2.0.
Market
The AMD Mobility Radeon HD 4870 was released on January 9, 2009.
Benchmarks
Graphics and compute APIs
The AMD Mobility Radeon HD 4870 supports DirectX 10.1 and OpenGL 3.3.
CUDA is an NVIDIA technology and does not apply to the AMD Mobility Radeon HD 4870. Feex has no recorded Vulkan version for the AMD Mobility Radeon HD 4870. Feex has no recorded OpenCL version for the AMD Mobility Radeon HD 4870.
Naming and aliases
The AMD Mobility Radeon HD 4870 is also known by other names: PassMark also lists it as (Vista) ATI Mobility Radeon HD 4870 and ATI Mobility Radeon HD 4870.
Frequently asked questions
How much VRAM does the AMD Mobility Radeon HD 4870 have?
The AMD Mobility Radeon HD 4870 has 1 GB of video memory.
How fast is the AMD Mobility Radeon HD 4870?
The AMD Mobility Radeon HD 4870 scores 720 in the PassMark G3D benchmark, higher than 46.4% of the 2,658 GPUs benchmarked. Its PassMark rank is #1,618.
What bus interface does the AMD Mobility Radeon HD 4870 use?
The AMD Mobility Radeon HD 4870 connects over PCIe x16 2.0.
When was the AMD Mobility Radeon HD 4870 released?
The AMD Mobility Radeon HD 4870 was released on January 9, 2009.