ATI Mobility Radeon HD 4870 Graphics Card

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Learn more about ATI Mobility Radeon HD 4870:

Specifications

Generation
M9x (Mobility HD 4800)
GPU model
M98
Interface
PCIe 2.0 x16
GPU clock
550 MHz
Memory size
512 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
888 MHz 1776 Mbps effective

Memory Configuration

Memory size
512 MB
Memory type
GDDR3
Memory bus width
256 bit
Bandwidth
56.83 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

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Benchmark & Performance

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Gaming

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