ATI Mobility Radeon HD 4870 X2 Graphics Card

Last updated:

Learn more about ATI Mobility Radeon HD 4870 X2:

Specifications

Generation
M9x (Mobility HD 4800)
GPU model
M98
Interface
PCIe 2.0 x16
GPU clock
550 MHz
Memory size
1024 MB
DirectX
10.1 (10_1)
Release date
Jan 9th, 2009

Graphics Processor

GPU model
M98
GPU variant
M98 XT (216-0732023)
Architecture
TeraScale
Foundry
TSMC
Manufacturing process
55 nm
Number of transistors
956 million
Die size
256 mm²

Mobile graphics

Release date
Jan 9th, 2009
Generation
M9x (Mobility HD 4800)
Production
End-of-life
Interface
PCIe 2.0 x16
Reviews
2 in our database
Predecessor
M8x
Successor
Manhattan

Clocks

GPU clock
550 MHz
Memory clock
700 MHz 2.8 Gbps effective

Memory Configuration

Memory size
1024 MB
Memory type
GDDR5
Memory bus width
256 bit
Bandwidth
89.60 GB/s

Render Configuration

Shading units
800
TMUs
40
ROPs
16
Compute units
10
Cache L1
16 KB (per CU)
Cache L2
256 KB

Performance

Pixel rate
8.800 GPixel/s
Texture rate
22.00 GTexel/s
FP32 (float) performance
880.0 GFLOPS
FP64 (double) performance
176.0 GFLOPS (1:5)

Dimensions & Outputs

Outputs
No outputs

API Support & Features

DirectX
10.1 (10_1)
OpenGL
3.3
OpenCL
1.1
Shader model
4.1

Drivers

Looking for Mobility Radeon HD 4870 X2 driver download? We recommend Driver Booster program that can find, install, and keep up to date all drivers on Windows 10, 8.1, and 7 in one click!

FREE Drivers Download

Benchmark & Performance

Compare

Gaming

Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.