ATI Mobility Radeon HD 3870 vs NVIDIA GeForce 9800M GS

Table of Contents

Graphics Processor

GPU model M88 G94
Architecture TeraScale Tesla
Foundry TSMC TSMC
Manufacturing process 55 nm 65 nm
Number of transistors 666 million 505 million
Die size 192 mm² 240 mm²
GPU variant NB9E-GS1

Mobile graphics

Release date Jun 4th, 2008 Nov 1st, 2008
Generation M8x (Mobility HD 3800) GeForce 9M (9800M)
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 2.0 x16
Reviews 2 in our database
Predecessor M7x GeForce 8M
Successor M9x GeForce 100M

Clocks

GPU clock 660 MHz 530 MHz
Memory clock 850 MHz 1700 Mbps effective 800 MHz 1600 Mbps effective
Shader clock 1325 MHz

Memory Configuration

Memory size 512 MB 512 MB
Memory type GDDR3 GDDR3
Memory bus width 256 bit 256 bit
Bandwidth 54.40 GB/s 51.20 GB/s

Render Configuration

Shading units 320 64
TMUs 16 32
ROPs 16 16
Compute units 4
Cache L2 256 KB 64 KB
SM count 8

Performance

Pixel rate 10.56 GPixel/s 8.480 GPixel/s
Texture rate 10.56 GTexel/s 16.96 GTexel/s
FP32 (float) performance 422.4 GFLOPS 169.6 GFLOPS
FP64 (double) performance 84.48 GFLOPS (1:5)

Dimensions & Outputs

TDP 55 W 60 W
Outputs No outputs No outputs
Power connectors None
Board number P610

API Support & Features

DirectX 10.1 (10_1) 11.1 (10_0)
OpenGL 3.3 3.3
OpenCL 1.1
Vulkan
Shader model 4.1 4.0
CUDA 1.1

Other Features

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