Radeon X850 XT Platinum AGP vs GeForce 8400 GS PCI

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTesla 2.0 (2007−2013)R400 (2004−2008)
GPU code nameGT218R481
Market segmentDesktopDesktop
Release date17 April 2007 (17 years ago)28 February 2005 (19 years ago)
Current price$132 $240

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores16no data
Core clock speed520 MHz540 MHz
Number of transistors260 million160 million
Manufacturing process technology40 nm130 nm
Power consumption (TDP)40 Watt67 Watt
Texture fill rate4.1608.640
Floating-point performance39.36 gflopsno 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).

InterfacePCIAGP 8x
Length170 mmno data
Width1-slot2-slot
Supplementary power connectorsNone1x Molex

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 typeDDR3GDDR3
Maximum RAM amount512 MB256 MB
Memory bus width64 Bit256 Bit
Memory clock speed1000 MHz1180 MHz
Memory bandwidth8 GB/s37.76 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 Connectors1x DVI, 1x HDMI, 1x VGA1x DVI, 1x VGA, 1x S-Video
HDMI+no data

API compatibility

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

DirectX11.1 (10_1)9.0b (9_2)
Shader Model4.1no data
OpenGL3.32.0
OpenCL1.1N/A
VulkanN/AN/A
CUDA1.2no data

Pros & cons summary


Recency 17 April 2007 28 February 2005
Maximum RAM amount 512 MB 256 MB
Chip lithography 40 nm 130 nm
Power consumption (TDP) 40 Watt 67 Watt

We couldn't decide between GeForce 8400 GS PCI and Radeon X850 XT Platinum AGP. 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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NVIDIA GeForce 8400 GS PCI
GeForce 8400 GS PCI
ATI Radeon X850 XT Platinum AGP
Radeon X850 XT Platinum AGP

Comparisons with similar GPUs

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Community ratings

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