AMD Radeon HD 8670M vs NVIDIA GeForce 9800 GT Rebrand

Table of Contents

Graphics Processor

GPU model Mars G92
GPU variant Mars XT G92-270-A2
Architecture GCN 1.0 Tesla
Foundry TSMC TSMC
Manufacturing process 28 nm 65 nm
Number of transistors 950 million 754 million
Die size 77 mm² 324 mm²

Mobile graphics

Release date Mar 1st, 2013
Generation Solar System (HD 8600M)
Production End-of-life
Interface PCIe 3.0 x8
Predecessor London
Successor Crystal System

Clocks

Base clock 775 MHz
Boost clock 825 MHz
Memory clock 900 MHz 1800 Mbps effective 1000 MHz 2 Gbps effective
GPU clock 725 MHz
Shader clock 1750 MHz

Memory Configuration

Memory size 1024 MB 512 MB
Memory type DDR3 GDDR3
Memory bus width 64 bit 256 bit
Bandwidth 14.40 GB/s 64.00 GB/s

Render Configuration

Shading units 384 128
TMUs 24 64
ROPs 8 16
Compute units 6
Cache L1 16 KB (per CU)
Cache L2 128 KB 64 KB
SM count 16

Performance

Pixel rate 6.600 GPixel/s 11.60 GPixel/s
Texture rate 19.80 GTexel/s 46.40 GTexel/s
FP32 (float) performance 633.6 GFLOPS 448.0 GFLOPS

Dimensions & Outputs

TDP unknown 125 W
Outputs No outputs 2x DVI1x S-Video
Slot width Dual-slot
Length 229 mm 9 inches
Suggested PSU 300 W
Power connectors 1x 6-pin
Board number P393

API Support & Features

DirectX 12 (11_1) 11.1 (10_0)
OpenGL 4.6 3.3
OpenCL 1.2 1.1
Vulkan 1.2
Shader model 5.1 4.0
CUDA 1.1

Other Features

Graphics Card

Release date Jul 21st, 2008
Generation GeForce 9
Production End-of-life
Launch price 160 USD
Interface PCIe 2.0 x16
Reviews 46 in our database
Predecessor GeForce 8
Successor GeForce 200

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