ATI Mobility Radeon HD 3870 X2: GPU Specs & Benchmarks

The Mobility Radeon HD 3870 X2 is a graphics card by ATI, built on the 55 nm process and based on the M88 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name
M88
Architecture
TeraScale
Foundry
TSMC
Process Size
55 nm
Transistors
666 million
Die Size
192 mm²

Graphics Card

Release Date
Sep 1st, 2008
Family
M8x
(Mobility HD 3800)
Production
End-of-life
Predecessor
M7x
Bus Interface
PCIe 2.0 x16

Memory

Memory Size
512 MB x2
Memory Type
GDDR3
Memory Bus
256 bit x2

Clock Speeds

Memory Clock
850 MHz
1700 Mbps effective
GPU Clock
660 MHz

Render Config

TMUs
16 x2
ROPs
16 x2

Board Design

Display Connectors
No outputs

API support

DirectX
10.1 (10_1)
OpenGL
3.3
OpenCL
N/A
Vulkan
N/A
Shader Model
4.1
Mobility Radeon HD 3870 X2
ATI Mobility Radeon HD 3870 X2: GPU Specs & Benchmarks