GPU Wiki

Compare NVIDIA GPUs

Select up to four GPU Wiki entries to compare matching specifications row by row. The comparison uses the site database and keeps generation-specific specs visibly separate.

Swap Clear
Row order:
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.
Spec Radeon HD 6990 AMD
Overview
Product name AMD Radeon HD 6990
Architecture TeraScale 3
Generation / family Radeon HD 6000 Series
Launch date 2011-03-08
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node TSMC 40 nm
Die size 389 mm²
Transistor count 2.64 billion
GPU chip Antilles
Stream Processors 1536
ROPs 32
TMUs 96
Clocks
Base / Core clock 830 MHz
Boost clock 830 MHz
Memory clock 1,250 MHz
Memory
Memory size 2 GB
Memory type GDDR5
Memory bus width 256-bit
Memory bandwidth 160 GB/s
Bus / Interface
Bus interface PCIe 2.0 x16
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 375 W
Recommended PSU 750 W
Slot width Dual-slot
Display / Media
Display outputs 1x DVI, 4x mini-DisplayPort 1.2
Features
DirectX support DirectX 11.0
OpenGL support OpenGL 4.4
Shader Model 5.0
Performance / Benchmarks
FP32 throughput 2.55 TFLOPS

© 2026 NVIDIA Club. Independent GPU history, guides, and hardware knowledge.

NVIDIA Club is an independent enthusiast and technical knowledge site. It is not affiliated with, endorsed by, or sponsored by NVIDIA Corporation.