GeForce 6800 GTO vs ATI Radeon HD 2600 XT X2

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale (2005−2013)Curie (2003−2013)
GPU code nameRV630NV45
Market segmentDesktopDesktop
Release date26 July 2007 (17 years ago)14 April 2004 (20 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 cores120no data
Core clock speed800 MHz350 MHz
Number of transistors390 million222 million
Manufacturing process technology65 nm130 nm
Texture fill rate6.4004.200
Floating-point processing power0.192 TFLOPSno data
ROPs412
TMUs812

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).

InterfacePCIe 1.0 x16PCIe 1.0 x16
Width2-slot2-slot
Supplementary power connectors1x 6-pin1x 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 typeGDDR3GDDR3
Maximum RAM amount512 MB256 MB
Memory bus width128 Bit256 Bit
Memory clock speed800 MHz500 MHz
Memory bandwidth25.6 GB/s32 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors4x DVI, 1x S-Video2x DVI

API compatibility

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

DirectX10.0 (10_0)9.0c (9_3)
Shader Model4.03.0
OpenGL3.32.1
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 26 July 2007 14 April 2004
Maximum RAM amount 512 MB 256 MB
Chip lithography 65 nm 130 nm

ATI HD 2600 XT X2 has an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon HD 2600 XT X2 and GeForce 6800 GTO. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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ATI Radeon HD 2600 XT X2
Radeon HD 2600 XT X2
NVIDIA GeForce 6800 GTO
GeForce 6800 GTO

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