Radeon Vega 8 Efficient vs GeForce 8400M G

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Primary details

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

Place in the ranking1422not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.03no data
ArchitectureTesla (2006−2010)GCN 5.0 (2017−2020)
GPU code nameG86Raven
Market segmentLaptopDesktop
Release date9 May 2007 (17 years ago)23 April 2018 (6 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 cores8512
Core clock speed400 MHz300 MHz
Boost clock speedno data1100 MHz
Number of transistors210 million4,940 million
Manufacturing process technology80 nm14 nm
Power consumption (TDP)10 Watt35 Watt
Texture fill rate3.20035.20
Floating-point processing power0.0128 TFLOPS1.126 TFLOPS
ROPs48
TMUs832

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 x16IGP
Widthno dataIGP
Supplementary power connectorsNoneNone

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 typeGDDR3System Shared
Maximum RAM amount256 MBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed400 MHzSystem Shared
Memory bandwidth6.4 GB/sno data
Shared memory-no 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX11.1 (10_0)12 (12_1)
Shader Model4.06.4
OpenGL3.34.6
OpenCL1.12.0
VulkanN/A1.2.131
CUDA1.1-

Pros & cons summary


Recency 9 May 2007 23 April 2018
Chip lithography 80 nm 14 nm
Power consumption (TDP) 10 Watt 35 Watt

8400M G has 250% lower power consumption.

Vega 8 Efficient, on the other hand, has an age advantage of 10 years, and a 471.4% more advanced lithography process.

We couldn't decide between GeForce 8400M G and Radeon Vega 8 Efficient. We've got no test results to judge.

Be aware that GeForce 8400M G is a notebook card while Radeon Vega 8 Efficient is a desktop 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 8400M G
GeForce 8400M G
AMD Radeon Vega 8 Efficient
Radeon Vega 8 Efficient

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

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3 21 vote

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2.8 57 votes

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Questions & comments

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