GeForce 7950 GT AGP vs Radeon HD 8400

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Primary details

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

Place in the ranking1168not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.99no data
ArchitectureGCN 2.0 (2013−2017)Curie (2003−2013)
GPU code nameKalindiG71
Market segmentDesktopDesktop
Release date23 November 2013 (10 years ago)2 April 2007 (17 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 cores128no data
Core clock speed400 MHz500 MHz
Number of transistors1,178 million278 million
Manufacturing process technology28 nm90 nm
Power consumption (TDP)25 Watt65 Watt
Texture fill rate3.20012.00
Floating-point processing power0.1024 TFLOPSno data
ROPs416
TMUs824

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).

InterfaceIGPAGP 8x
WidthIGP1-slot
Supplementary power connectorsno data1x 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 typeSystem SharedGDDR3
Maximum RAM amountSystem Shared512 MB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared600 MHz
Memory bandwidthno data38.4 GB/s
Shared memory+-

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 ConnectorsNo outputs2x DVI, 1x S-Video

API compatibility

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

DirectX12 (12_0)9.0c (9_3)
Shader Model6.33.0
OpenGL4.62.1
OpenCL2.0N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 23 November 2013 2 April 2007
Chip lithography 28 nm 90 nm
Power consumption (TDP) 25 Watt 65 Watt

HD 8400 has an age advantage of 6 years, a 221.4% more advanced lithography process, and 160% lower power consumption.

We couldn't decide between Radeon HD 8400 and GeForce 7950 GT 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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AMD Radeon HD 8400
Radeon HD 8400
NVIDIA GeForce 7950 GT AGP
GeForce 7950 GT AGP

Comparisons with similar GPUs

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Community ratings

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2.8 127 votes

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4 7 votes

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Questions & comments

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