Radeon 780M vs ATI HD 2600 XT X2

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Primary details

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

Place in the rankingnot rated300
Place by popularitynot in top-10046
ArchitectureTeraScale (2005−2013)RDNA 3.0 (2022−2024)
GPU code nameRV630Phoenix
Market segmentDesktopLaptop
Release date26 July 2007 (17 years ago)6 December 2023 (less than a year 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 cores120768
Core clock speed800 MHz800 MHz
Boost clock speedno data2700 MHz
Number of transistors390 million25,390 million
Manufacturing process technology65 nm4 nm
Power consumption (TDP)no data15 Watt
Texture fill rate6.400129.6
Floating-point processing power0.192 TFLOPS8.294 TFLOPS
ROPs432
TMUs848
Ray Tracing Coresno data12

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 4.0 x8
Width2-slotno data
Supplementary power connectors1x 6-pinNone

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 typeGDDR3System Shared
Maximum RAM amount512 MBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed800 MHzSystem Shared
Memory bandwidth25.6 GB/sno data
Shared memory-+

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-VideoPortable Device Dependent

API compatibility

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

DirectX10.0 (10_0)12 Ultimate (12_2)
Shader Model4.06.7
OpenGL3.34.6
OpenCLN/A2.1
VulkanN/A1.3

Pros & cons summary


Recency 26 July 2007 6 December 2023
Chip lithography 65 nm 4 nm

Radeon 780M has an age advantage of 16 years, and a 1525% more advanced lithography process.

We couldn't decide between Radeon HD 2600 XT X2 and Radeon 780M. We've got no test results to judge.

Be aware that Radeon HD 2600 XT X2 is a desktop card while Radeon 780M is a notebook one.


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
AMD Radeon 780M
Radeon 780M

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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