AMD · Radeon HD 3000 Series

AMD Radeon HD 3870

The AMD Radeon HD 3870 is a graphics card released on November 19, 2007. It has 320 shading units, 1 GB of video memory, a boost clock of 777 MHz and a 106 W board power rating. It scores 552 in the PassMark G3D benchmark. It supports DirectX 10.1 and OpenGL 3.3.

RV670 XT

5/10 key specs recorded · 21 facts

Depth: 29 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: 5 of 10 tracked specifications recorded.

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

Shading units

320cores

Memory

1 GB

Boost clock

n/a

777 MHz base

Board power

106 W

Performance

The AMD Radeon HD 3870 scores 552 in the PassMark G3D benchmark, higher than 39% of the 2,658 GPUs benchmarked (PassMark rank #1,816), measured across 831 submitted results. Its PassMark G2D score is 57.

PassMark G3D Mark

552

Rank #1,816
Faster than 39% of 2,658 GPUs
831 samples

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

PassMark workload tests

DirectX 9 21 fps

reference: fastest recorded 526 fps · faster than 38% of 1,675 GPUs

DirectX 10 2 fps

reference: fastest recorded 231 fps · faster than 11.9% 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 3870 averages DirectX 9 21 fps and DirectX 10 2 fps, across 831 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,AGP 8x

Max memory 1 GB

Core clock 777,777 MHz

Memory clock 900,1126 MHz

DirectX 10.1

OpenGL 3.3

Max TDP 106 W

First benchmarked 2012-08-09

Samples 831

PassMark listing (collected 2026-10-01)

PassMark's own listing for the AMD Radeon HD 3870 states the PCIe 2.0 x16,AGP 8x interface, up to 1 GB of memory, a core clock of 777,777 MHz, DirectX 10.1 and OpenGL 3.3, first benchmarked on 2012-08-09. These are PassMark's figures, shown separately from the specification tables above.

Not to be confused with

This page covers the AMD Radeon HD 3870 specifically. It is a different product from AMD Radeon HD 3870 X2, which have their own specifications. Check the exact model name before comparing figures.

Graphics processor

Architecture Not recorded

Codename RV670 XT

Chip Not recorded

Process node Not recorded

Transistors Not recorded

Die size Not recorded

The AMD Radeon HD 3870 uses the RV670 XT graphics processor.

Shader configuration

Shading units 320

Compute units Not recorded

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) 16

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 3870 has 320 shading units, 16 texture mapping units and 16 render output units.

The AMD Radeon HD 3870 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 3870.

Clock speeds

Base clock 777 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Radeon HD 3870 runs at a base clock of 777 MHz.

Memory

Size 1 GB

Type Not recorded

Bus width Not recorded

Bandwidth Not recorded

The AMD Radeon HD 3870 is equipped with 1 GB of memory.

Board and power

The AMD Radeon HD 3870 has a board power rating of 106 W and it connects over PCIe 2.0 x16,AGP 8x.

Board power (TDP) 106 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 PCIe 2.0 x16,AGP 8x

Market

Launched November 19, 2007

Launch price $219

Status Not recorded

Form factor Not recorded

Segment Desktop

Series Radeon HD 3000 Series

The AMD Radeon HD 3870 was released on November 19, 2007 and launched at a price of $219.

Benchmarks

PassMark G3D 552

PassMark G2D 57

Rank #1,816

Samples 831

Graphics and compute APIs

The AMD Radeon HD 3870 supports DirectX 10.1 and OpenGL 3.3.

DirectX 10.1

OpenGL 3.3

CUDA is an NVIDIA technology and does not apply to the AMD Radeon HD 3870. Feex has no recorded Vulkan version for the AMD Radeon HD 3870. Feex has no recorded OpenCL version for the AMD Radeon HD 3870.