Radeon R7 Graphics vs GeForce 8400M GT

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTesla (2006−2010)GCN 2.0 (2013−2017)
GPU code nameG86Spectre
Market segmentLaptopDesktop
Release date9 May 2007 (17 years ago)11 January 2014 (10 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 cores16512
Core clock speed450 MHz720 MHz
Boost clock speedno data980 MHz
Number of transistors210 million2,410 million
Manufacturing process technology80 nm28 nm
Power consumption (TDP)14 Watt15 Watt
Texture fill rate3.60031.36
Floating-point processing power0.0288 TFLOPS1.004 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

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 amount512 MBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed600 MHzSystem Shared
Memory bandwidth19.2 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_0)
Shader Model4.06.0
OpenGL3.34.6
OpenCL1.12.0
VulkanN/A1.2.131
CUDA1.1-

Pros & cons summary


Recency 9 May 2007 11 January 2014
Chip lithography 80 nm 28 nm
Power consumption (TDP) 14 Watt 15 Watt

8400M GT has 7.1% lower power consumption.

R7 Graphics, on the other hand, has an age advantage of 6 years, and a 185.7% more advanced lithography process.

We couldn't decide between GeForce 8400M GT and Radeon R7 Graphics. We've got no test results to judge.

Be aware that GeForce 8400M GT is a notebook card while Radeon R7 Graphics 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 GT
GeForce 8400M GT
AMD Radeon R7 Graphics
Radeon R7 Graphics

Comparisons with similar GPUs

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Community ratings

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2.5 22 votes

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3.3 1376 votes

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Questions & comments

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