GeForce 6800 GT Dual vs 8800 GT Mac Edition

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Architecture	Tesla (2006−2010)	Curie (2003−2013)
GPU code name	G92	NV45
Market segment	Desktop	Desktop
Release date	1 February 2008 (17 years ago)	8 June 2004 (21 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	112	no data
Core clock speed	600 MHz	350 MHz
Number of transistors	754 million	222 million
Manufacturing process technology	65 nm	130 nm
Power consumption (TDP)	125 Watt	no data
Texture fill rate	33.60	5.600 ×2
Floating-point processing power	0.336 TFLOPS	no data
ROPs	16	16 ×2
TMUs	56	16 ×2
L2 Cache	64 KB	no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	229 mm	no data
Width	1-slot	2-slot
Supplementary power connectors	1x 6-pin	1x 6-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR3	GDDR3
Maximum RAM amount	512 MB	256 MB ×2
Memory bus width	256 Bit	256 Bit ×2
Memory clock speed	900 MHz	500 MHz
Memory bandwidth	57.6 GB/s	32 GB/s ×2

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors

2x DVI

2x DVI, 1x S-Video

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	11.1 (10_0)	9.0c (9_3)
Shader Model	4.0	3.0
OpenGL	3.3	2.1
OpenCL	1.1	N/A
Vulkan	N/A	N/A
CUDA	1.1	-

Pros & cons summary

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Recency	1 February 2008	8 June 2004
Maximum RAM amount	512 MB	256 MB
Chip lithography	65 nm	130 nm

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