Radeon 680M vs ATI HD 2900 XTX

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Primary details

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

Place in the rankingnot rated340
Place by popularitynot in top-100not in top-100
Power efficiencyno data21.87
ArchitectureTeraScale (2005−2013)RDNA 2.0 (2020−2024)
GPU code nameR600Rembrandt+
Market segmentDesktopLaptop
Release dateno data3 January 2023 (1 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 cores320768
Core clock speed743 MHz2000 MHz
Boost clock speedno data2200 MHz
Number of transistors720 million13,100 million
Manufacturing process technology80 nm6 nm
Power consumption (TDP)240 Watt50 Watt
Texture fill rate11.89105.6
Floating-point processing powerno data3.379 TFLOPS
ROPs1632
TMUs1648
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
Length315 mmno data
Width2-slotno data
Supplementary power connectors2x 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 width512 BitSystem Shared
Memory clock speed1656 MBpsSystem Shared
Memory bandwidth106.0 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 Connectors2x 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
OpenGL3.3 (full) 4.0 (partial)4.6
OpenCLN/A2.0
VulkanN/A1.3

Pros & cons summary


Chip lithography 80 nm 6 nm
Power consumption (TDP) 240 Watt 50 Watt

Radeon 680M has a 1233.3% more advanced lithography process, and 380% lower power consumption.

We couldn't decide between Radeon HD 2900 XTX and Radeon 680M. We've got no test results to judge.

Be aware that Radeon HD 2900 XTX is a desktop card while Radeon 680M 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 2900 XTX
Radeon HD 2900 XTX
AMD Radeon 680M
Radeon 680M

Comparisons with similar GPUs

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Community ratings

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5 4 votes

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4.2 951 vote

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Questions & comments

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