AMD · Radeon HD 4000 Series

AMD Radeon HD 4870

The AMD Radeon HD 4870 is a graphics card released on June 25, 2008. It has 800 shading units, 2 GB of GDDR5 memory, 115.2 GB/s of memory bandwidth, a boost clock of 750 MHz and a 150 W board power rating. It scores 1,386 in the PassMark G3D benchmark. It supports DirectX 10.1, OpenGL 3.3 and OpenCL 1.0.

RV770 XT

7/10 key specs recorded · 28 facts

Depth: 34 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: 7 of 10 tracked specifications recorded.

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

Shading units

800cores

Memory

2 GB

GDDR5

Boost clock

n/a

750 MHz base

Board power

150 W

Performance

The AMD Radeon HD 4870 scores 1,386 in the PassMark G3D benchmark, higher than 60.1% of the 2,658 GPUs benchmarked (PassMark rank #1,223), measured across 2,110 submitted results. Its PassMark G2D score is 43.

PassMark G3D Mark

1,386

Rank #1,223
Faster than 60.1% of 2,658 GPUs
2,110 samples

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

PassMark workload tests

DirectX 9 37 fps

reference: fastest recorded 526 fps · faster than 51.7% of 1,675 GPUs

DirectX 10 7 fps

reference: fastest recorded 231 fps · faster than 42.3% of 1,602 GPUs

Averages of PassMark PerformanceTest submissions; frames/sec are PassMark test-scene rates, not game FPS. Tests PassMark does not report for this card are omitted. PassMark listing

In the PassMark workload tests the AMD Radeon HD 4870 averages DirectX 9 37 fps and DirectX 10 7 fps, across 2,110 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

As stated by PassMark

Category Desktop

Bus interface PCIe 2.0 x16

Max memory 2 GB

Core clock 750 MHz

Memory clock 900 MHz

DirectX 10.1

OpenGL 3.3

Max TDP 150 W

First benchmarked 2012-08-15

Samples 2,110

PassMark listing (collected 2026-09-30)

PassMark's own listing for the AMD Radeon HD 4870 states the PCIe 2.0 x16 interface, up to 2 GB of memory, a core clock of 750 MHz, DirectX 10.1 and OpenGL 3.3, first benchmarked on 2012-08-15. These are PassMark's figures, shown separately from the specification tables above.

Not to be confused with

This page covers the AMD Radeon HD 4870 specifically. It is a different product from AMD Radeon HD 4870 X2, which have their own specifications. Check the exact model name before comparing figures.

Graphics processor

Architecture Not recorded

Codename RV770 XT

Chip Not recorded

Process node Not recorded

Transistors Not recorded

Die size Not recorded

The AMD Radeon HD 4870 uses the RV770 XT graphics processor.

Shader configuration

Shading units 800

Compute units Not recorded

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) 40

Render output units (ROPs) 16

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The AMD Radeon HD 4870 has 800 shading units, 40 texture mapping units and 16 render output units.

The AMD 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 Radeon HD 4870.