ATI Radeon Xpress X1270 vs GeForce 8400 GS

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Primary details

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

Place in the ranking1252not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.70no data
ArchitectureTesla (2006−2010)no data
GPU code nameG86M690T
Market segmentDesktopLaptop
Release date17 April 2007 (17 years ago)1 February 2007 (17 years ago)
Launch price (MSRP)$29.99 no data

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 cores164
Core clock speed459 MHzno data
Boost clock speedno data400 MHz
Number of transistors210 millionno data
Manufacturing process technology80 nm80 nm
Power consumption (TDP)40 Wattno data
Texture fill rate3.672no data
Floating-point processing power0.02938 TFLOPSno data
ROPs4no data
TMUs8no 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).

InterfacePCIe 1.0 x16no data
Length170 mmno data
Width1-slotno data
Supplementary power connectorsNoneno data
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 typeDDR2no data
Maximum RAM amount256 MB128 MB
Standard memory config per GPU256 MBno data
Memory bus width64 Bitno data
Memory clock speed400 MHzno data
Memory bandwidth6.4 GB/sno data
Shared memoryno 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 Connectors1x DVI, 1x VGA, 1x S-Videono data

API compatibility

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

DirectX11.1 (10_0)no data
Shader Model4.0no data
OpenGL2.1no data
OpenCL1.1no data
VulkanN/A-
CUDA1.1-

Pros & cons summary


Recency 17 April 2007 1 February 2007
Maximum RAM amount 256 MB 128 MB

8400 GS has an age advantage of 2 months, and a 100% higher maximum VRAM amount.

We couldn't decide between GeForce 8400 GS and Radeon Xpress X1270. We've got no test results to judge.

Be aware that GeForce 8400 GS is a desktop card while Radeon Xpress X1270 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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NVIDIA GeForce 8400 GS
GeForce 8400 GS
ATI Radeon Xpress X1270
Radeon Xpress X1270

Comparisons with similar GPUs

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Community ratings

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3.2 5 votes

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Questions & comments

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