ATI Mobility Radeon HD 3870 X2: specs and benchmarks

ATI Mobility Radeon HD 3870 X2

Summary

ATI started Mobility Radeon HD 3870 X2 sales 1 September 2008. This is TeraScale architecture notebook card based on 55 nm manufacturing process and primarily aimed at gamers. 512 MB of GDDR3 memory clocked at 1.7 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 54.4 GB/s.

Compatibility-wise, this is card attached via PCIe 2.0 x16 interface. Power consumption is at 110 Watt.

It provides poor gaming and benchmark performance at 6.20 percent of a leader's which is NVIDIA GeForce RTX 2080 Ti.

General info

Of Mobility Radeon HD 3870 X2's architecture, market type and release date.
Place in performance rating
 
Architecture
TeraScale
 
Code name
M88
 
Type
Laptop
 
Release date
1 September 2008
 

Technical specs

Mobility Radeon HD 3870 X2's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Mobility Radeon HD 3870 X2's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
320
 
Core clock speed
660 MHz
 
Transistor count
666 million
 
Manufacturing process technology
55 nm
 
Power consumption (TDP)
110 Watt
 
of 900 (Tesla S2050)
Texture fill rate
10.56
 
Floating-point performance
2x 422.4 gflops
 

Compatibility, dimensions and requirements

Information on Mobility Radeon HD 3870 X2's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
Laptop size
large
 
Interface
PCIe 2.0 x16
 

Memory

Parameters of memory installed on Mobility Radeon HD 3870 X2: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
GDDR3
 
Maximum RAM amount
512 MB
 
of 8192 (Radeon RX 480)
Memory bus width
256 Bit
 
of 4096 (Radeon R9 Fury)
Memory clock speed
1700 MHz
 
Memory bandwidth
54.4 GB/s
 
of 1024 (Radeon VII)
Shared memory
-
 

Video outputs and ports

Types and number of video connectors present on Mobility Radeon HD 3870 X2. As a rule, this section is relevant only for desktop reference video cards, since for notebook ones the availability of certain video outputs depends on the laptop model.
Display Connectors
No outputs
 

API support

APIs supported by Mobility Radeon HD 3870 X2, sometimes including their particular versions.
DirectX
10.1 (10_1)
 
OpenGL
3.3
 

Benchmark performance

Non-gaming benchmarks performance of Mobility Radeon HD 3870 X2. Note that overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

6.20

3DMark Vantage Performance

6895

Game benchmarks

Let's see how good Mobility Radeon HD 3870 X2 is for gaming. Particular gaming benchmark results are measured in FPS. Comparisons with system requirements are included, but remember that sometimes official requirements may reflect real performance inaccurately.

Relative perfomance

Overall Mobility Radeon HD 3870 X2 performance compared to its nearest competitors.

NVIDIA equivalent

We believe that the nearest equivalent to Mobility Radeon HD 3870 X2 from NVIDIA is GeForce 845M, which is slower by 1% and lower by 4 positions in our rating.

User rating

Here you can see the user rating of the video card, as well as rate it yourself.

Advices and comments

Here you can ask a question about Mobility Radeon HD 3870 X2, agree or disagree with our judgements, or report an error or mismatch.