Graphics Processor

GPU Name:	G80 GL
Process Size:	90 nm
Transistors:	681 million
Die Size:	484 mm²

Graphics Card

Released:	Mar 5th, 2007
Production Status:	End-of-life
Launch Price:	1,999 USD
Bus Interface:	PCIe 2.0 x16

Clock Speeds

GPU Clock:	500 MHz
Shader Clock:	1200 MHz
Memory Clock:	700 MHz 1400 MHz effective

Memory

Memory Size:	768 MB
Memory Type:	GDDR3
Memory Bus:	384 bit
Bandwidth:	67.2 GB/s

Render Config

Shading Units:	96
TMUs:	24
ROPs:	24
SM Count:	6
Pixel Rate:	12.0 GPixel/s
Texture Rate:	12.0 GTexel/s
Floating-point performance:	230.4 GFLOPS

Reference Board

Slot Width:	Dual-slot
Length:	9 inches 229 mm
TDP:	134 W
Outputs:	2x DVI 1x S-Video

Graphics Features

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

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Reviews

Our review database contains 17 reviews of the Quadro FX 4600.

G80 GL GPU Notes

G80-300-A2 8800 GTX

G200-300-A2

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
MAD - ADD+MUL

NVIDIA Quadro FX 4600