GeForce 8400 GS vs ATI Mobility Radeon HD 2600

Primary details

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

Place in the rankingnot rated1256
Place by popularitynot in top-100not in top-100
Power efficiencyno data0.69
ArchitectureTeraScale (2005−2013)Tesla (2006−2010)
GPU code nameM76G86
Market segmentLaptopDesktop
Release date14 May 2007 (17 years ago)17 April 2007 (17 years ago)
Launch price (MSRP)no data$29.99

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 cores12016
Core clock speed500 MHz459 MHz
Number of transistors390 million210 million
Manufacturing process technology65 nm80 nm
Power consumption (TDP)no data40 Watt
Texture fill rate4.0003.672
Floating-point processing power0.12 TFLOPS0.02938 TFLOPS
ROPs44
TMUs88

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).

Laptop sizemedium sizedno data
InterfaceMXM-IIPCIe 1.0 x16
Lengthno data170 mm
Widthno data1-slot
Supplementary power connectorsno dataNone
SLI options-+

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 typeDDR2DDR2
Maximum RAM amount256 MB256 MB
Standard memory config per GPUno data256 MB
Memory bus width128 Bit64 Bit
Memory clock speed400 MHz400 MHz
Memory bandwidth12.8 GB/s6.4 GB/s
Shared memory-no data

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 ConnectorsNo outputs1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX10.0 (10_0)11.1 (10_0)
Shader Model4.04.0
OpenGL3.32.1
OpenCLN/A1.1
VulkanN/AN/A
CUDA-1.1

Pros & cons summary


Chip lithography 65 nm 80 nm

ATI Mobility HD 2600 has a 23.1% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 2600 and GeForce 8400 GS. We've got no test results to judge.

Be aware that Mobility Radeon HD 2600 is a notebook card while GeForce 8400 GS is a desktop 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 Mobility Radeon HD 2600
Mobility Radeon HD 2600
NVIDIA GeForce 8400 GS
GeForce 8400 GS

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Community ratings

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3.6 38 votes

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Questions & comments

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