GeForce 8400 GS vs ATI Radeon X1950 XTX

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Primary details

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

Place in the rankingnot rated1252
Place by popularitynot in top-100not in top-100
ArchitectureR500 (2005−2007)Tesla (2006−2010)
GPU code nameR580+G86
Market segmentDesktopDesktop
Release date17 October 2006 (18 years ago)17 April 2007 (17 years ago)
Launch price (MSRP)$449 $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 coresno data16
Core clock speed650 MHz459 MHz
Number of transistors384 million210 million
Manufacturing process technology90 nm80 nm
Power consumption (TDP)125 Watt40 Watt
Texture fill rate10.403.672
Floating-point processing powerno data0.02938 TFLOPS
ROPs164
TMUs168

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 1.0 x16
Length230 mm170 mm
Width2-slot1-slot
Supplementary power connectors1x 6-pinNone
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 typeGDDR4DDR2
Maximum RAM amount512 MB256 MB
Standard memory config per GPUno data256 MB
Memory bus width256 Bit64 Bit
Memory clock speed1000 MHz400 MHz
Memory bandwidth64 GB/s6.4 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 Connectors2x DVI, 1x S-Video1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX9.0c (9_3)11.1 (10_0)
Shader Model3.04.0
OpenGL2.02.1
OpenCLN/A1.1
VulkanN/AN/A
CUDA-1.1

Pros & cons summary


Recency 17 October 2006 17 April 2007
Maximum RAM amount 512 MB 256 MB
Chip lithography 90 nm 80 nm
Power consumption (TDP) 125 Watt 40 Watt

ATI X1950 XTX has a 100% higher maximum VRAM amount.

8400 GS, on the other hand, has an age advantage of 6 months, a 12.5% more advanced lithography process, and 212.5% lower power consumption.

We couldn't decide between Radeon X1950 XTX and GeForce 8400 GS. 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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ATI Radeon X1950 XTX
Radeon X1950 XTX
NVIDIA GeForce 8400 GS
GeForce 8400 GS

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Community ratings

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