T550 Mobile vs GeForce 8400 GS PCI

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Primary details

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

Place in the rankingnot rated394
Place by popularitynot in top-100not in top-100
Power efficiencyno data37.88
ArchitectureTesla 2.0 (2007−2013)Turing (2018−2022)
GPU code nameGT218TU117
Market segmentDesktopMobile workstation
Release date17 April 2007 (17 years ago)May 2022 (2 years 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 cores161024
Core clock speed520 MHz1065 MHz
Boost clock speedno data1665 MHz
Number of transistors260 million4,700 million
Manufacturing process technology40 nm12 nm
Power consumption (TDP)40 Watt23 Watt
Texture fill rate4.160106.6
Floating-point processing power0.03936 TFLOPS3.41 TFLOPS
ROPs432
TMUs864

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 sizeno datamedium sized
InterfacePCIPCIe 3.0 x16
Length170 mmno data
Width1-slotno data
Supplementary power connectorsNoneno data

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 typeDDR3GDDR6
Maximum RAM amount512 MB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed500 MHz1500 MHz
Memory bandwidth8 GB/s96 GB/s
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 HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX11.1 (10_1)12 (12_1)
Shader Model4.16.6
OpenGL3.34.6
OpenCL1.13.0
VulkanN/A1.3
CUDA1.27.5

Pros & cons summary


Maximum RAM amount 512 MB 4 GB
Chip lithography 40 nm 12 nm
Power consumption (TDP) 40 Watt 23 Watt

T550 Mobile has a 700% higher maximum VRAM amount, a 233.3% more advanced lithography process, and 73.9% lower power consumption.

We couldn't decide between GeForce 8400 GS PCI and T550 Mobile. We've got no test results to judge.

Be aware that GeForce 8400 GS PCI is a desktop card while T550 Mobile is a mobile workstation 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 PCI
GeForce 8400 GS PCI
NVIDIA T550 Mobile
T550 Mobile

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Community ratings

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