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NVIDIA GeForce 8800 Ultra

NVIDIA GeForce 8800 Ultra Image NVIDIA G80 Image
The GeForce 8800 Ultra was a high-end graphics card by NVIDIA, launched in May 2007. Built on the 90 nm process, and based on the G80 graphics processor, in its G80-450-A3 variant, the card supports DirectX 10.0. The G80 graphics processor is a large chip with a die area of 484 mm² and 681 million transistors. It features 128 shading units, 32 texture mapping units and 24 ROPs. NVIDIA has placed 768 MB GDDR3 memory on the card, which are connected using a 384-bit memory interface. The GPU is operating at a frequency of 612 MHz, memory is running at 1080 MHz.
We recommend the NVIDIA GeForce 8800 Ultra for gaming with highest details at resolutions up to, and including, 1280x720.
Being a dual-slot card, the NVIDIA GeForce 8800 Ultra draws power from 2x 6-pin power connectors, with power draw rated at 171 W maximum. Display outputs include: 2x DVI, 1x S-Video. GeForce 8800 Ultra is connected to the rest of the system using a PCIe 1.0 x16 interface. The card measures 270 mm in length, and features a dual-slot cooling solution. Its price at launch was 829 US Dollars.

Graphics Processor

GPU Name: G80
GPU Variant: G80-450-A3
Architecture: Tesla
Process Size: 90 nm
Transistors: 681 million
Die Size: 484 mm²

Graphics Card

Released: May 2nd, 2007
Production Status: End-of-life
Launch Price: 829 USD
Bus Interface: PCIe 1.0 x16

Clock Speeds

GPU Clock: 612 MHz
Shader Clock: 1512 MHz
Memory Clock: 1080 MHz
2160 MHz effective


Memory Size: 768 MB
Memory Type: GDDR3
Memory Bus: 384 bit
Bandwidth: 103.7 GB/s

Render Config

Shading Units: 128
TMUs: 32
ROPs: 24
SM Count: 8
Pixel Rate: 14.69 GPixel/s
Texture Rate: 19.58 GTexel/s
Floating-point performance: 387.1 GFLOPS

Board Design

Slot Width: Dual-slot
Length: 10.63 inches
270 mm
TDP: 171 W
Outputs: 2x DVI
1x S-Video
Power Connectors: 2x 6-pin
Board Number: P355

Graphics Features

DirectX: 10.0
OpenGL: 3.3
OpenCL: n/a
CUDA: 1.0
Shader Model: 4.0


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Our review database contains 403 reviews of the GeForce 8800 Ultra.

Card Notes

SFUs: 16

G80 GPU Notes

Each Streaming Multiprocessor(SM) in the chip architecture contains 8 SPs and 2 SFUs.

Each SP can fulfill up to two single precision operations MAD per clock.

Each SFU can fulfill up to four operations SF per clock (these units can also handle single-precision floating-point multiplications per clock).

The approximate ratio of operations MAD to operations SF is equal 2:1.

The theoretical SP + SFU performance in single-precision floating point operations
[FLOPSsp + sfu, GFLOPS] of the graphics card with shader count [n] and shader frequency [f, GHz], is estimated by the following formula: FLOPSsp+sfu; f × n × 3.

Alternative formula: FLOPSsp+sfu; f × m × ( 8 SPs * 2 (MAD) + 4 * 2 SFUs ). [m] - SM count.

SP - Shader Processor (Unified Shader, CUDA Core)
SFU - Special Function Unit
SM - Streaming Multiprocessor

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS ROG 8800 Ultra 612 MHz 1080 MHz
EVGA 8800 Ultra 612 MHz 1080 MHz 10.5 inches
EVGA 8800 Ultra Black Pearl 655 MHz 1125 MHz Single-slot
EVGA 8800 Ultra KO 638 MHz 1125 MHz
EVGA 8800 Ultra Special Edition 630 MHz 1100 MHz
EVGA 8800 Ultra Superclocked 655 MHz 1125 MHz
GIGABYTE 8800 Ultra 612 MHz 1080 MHz
PNY XLR8 8800 Ultra Overclocked 648 MHz 1116 MHz
XFX 8800 Ultra Extreme 650 MHz 1110 MHz
XFX 8800 Ultra XXX 675 MHz 1150 MHz
XFX 8800 Ultra XXX V2 685 MHz 1150 MHz