GeForce GT 420 OEM vs 9400

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Primary details

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

Place in the ranking1354not rated
Place by popularitynot in top-100not in top-100
ArchitectureTesla (2006−2010)Fermi (2010−2014)
GPU code nameC79GF108
Market segmentDesktopDesktop
Release date17 April 2007 (17 years ago)3 September 2010 (14 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 cores1648
Core clock speed450 MHz700 MHz
Number of transistors314 million585 million
Manufacturing process technology65 nm40 nm
Power consumption (TDP)40 Watt50 Watt
Texture fill rate3.6002.800
Floating-point processing power0.0352 TFLOPS0.1344 TFLOPS
ROPs44
TMUs84

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).

InterfacePCIPCIe 2.0 x16
Lengthno data145 mm
WidthIGP1-slot
Supplementary power connectorsno dataNone

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 typeSystem SharedDDR3
Maximum RAM amountSystem Shared1 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared900 MHz
Memory bandwidthno data28.8 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 VGA, 1x S-Video1x DVI, 1x HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX11.1 (10_0)12 (11_0)
Shader Model4.05.1
OpenGL3.34.6
OpenCLN/A1.1
VulkanN/AN/A
CUDA-2.1

Pros & cons summary


Recency 17 April 2007 3 September 2010
Chip lithography 65 nm 40 nm
Power consumption (TDP) 40 Watt 50 Watt

GeForce 9400 has 25% lower power consumption.

GT 420 OEM, on the other hand, has an age advantage of 3 years, and a 62.5% more advanced lithography process.

We couldn't decide between GeForce 9400 and GeForce GT 420 OEM. 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 9400
GeForce 9400
NVIDIA GeForce GT 420 OEM
GeForce GT 420 OEM

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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2.5 15 votes

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3.7 179 votes

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Questions & comments

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