NVIDIA · GeForce

NVIDIA GeForce 8400M G

The NVIDIA GeForce 8400M G is a graphics card released on May 1, 2007, built on the Tesla architecture. It has 8 shading units, 128 MB of video memory on a 64-bit bus, 6.4 GB/s of memory bandwidth, a boost clock of 400 MHz and a 10 W board power rating. It scores 105 in the PassMark G3D benchmark. It supports DirectX 10 and OpenGL 3.3.

TeslaNB8M(G86)

8/10 key specs recorded · 27 facts

Depth: 33 recorded fields, 2 PassMark workloads

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 8 of 10 tracked specifications recorded.

PassMark Videocard Benchmark Wikipedia GPU list tables (wikigrid-2026-09)PassMark Videocard Benchmark

Shading units

8cores

Memory

128 MB

64-bit

Boost clock

n/a

400 MHz base

Board power

10 W

Performance

The NVIDIA GeForce 8400M G scores 105 in the PassMark G3D benchmark, higher than 17.3% of the 2,658 GPUs benchmarked (PassMark rank #2,388), measured across 97 submitted results. Its PassMark G2D score is 124.

PassMark G3D Mark

105

Rank #2,388
Faster than 17.3% of 2,658 GPUs
97 samples

0relative to the fastest GPU on record (41,928)

PassMark workload tests

DirectX 9 2 fps

reference: fastest recorded 526 fps · faster than 1.9% of 1,675 GPUs

DirectX 10 4 fps

reference: fastest recorded 231 fps · faster than 32.1% of 1,602 GPUs

Averages of PassMark PerformanceTest submissions; frames/sec are PassMark test-scene rates, not game FPS. Tests PassMark does not report for this card are omitted. PassMark listing

In the PassMark workload tests the NVIDIA GeForce 8400M G averages DirectX 9 2 fps and DirectX 10 4 fps, across 97 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

As stated by PassMark

Category Mobile

Bus interface PCIe x16

Max memory 128 MB

Core clock 400 MHz

Memory clock 800 MHz

DirectX 10

OpenGL 3.3

Max TDP 10 W

First benchmarked 2009-04-04

Samples 97

PassMark listing (collected 2026-10-01)

PassMark's own listing for the NVIDIA GeForce 8400M G states the PCIe x16 interface, up to 128 MB of memory, a core clock of 400 MHz, DirectX 10 and OpenGL 3.3, first benchmarked on 2009-04-04. These are PassMark's figures, shown separately from the specification tables above.

Not to be confused with

This page covers the NVIDIA GeForce 8400M G specifically. It is a different product from NVIDIA GeForce 8400M GS, NVIDIA GeForce 8400M GT, which have their own specifications. Check the exact model name before comparing figures.

Graphics processor

Architecture Tesla

Codename NB8M(G86)

Chip Not recorded

Process node Not recorded

Transistors Not recorded

Die size Not recorded

The NVIDIA GeForce 8400M G is based on the Tesla architecture and uses the NB8M(G86) graphics processor.

Shader configuration

Shading units 8

Compute units Not recorded

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) 8

Render output units (ROPs) 4

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The NVIDIA GeForce 8400M G has 8 shading units, 8 texture mapping units and 4 render output units.

The NVIDIA GeForce 8400M G does not use XMX engines; those are specific to Intel Arc graphics. Infinity Cache is an AMD architectural feature and does not apply to the NVIDIA GeForce 8400M G. Feex has no recorded ray tracing core count for the NVIDIA GeForce 8400M G.

Clock speeds

Base clock 400 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The NVIDIA GeForce 8400M G runs at a base clock of 400 MHz.

Memory

Size 128 MB

Type Not recorded

Bus width 64-bit

Bandwidth 6.4 GB/s

The NVIDIA GeForce 8400M G is equipped with 128 MB of memory, uses a 64-bit memory bus and delivers 6.4 GB/s of memory bandwidth.

Board and power

The NVIDIA GeForce 8400M G has a board power rating of 10 W and it connects over PCIe x16.

Board power (TDP) 10 W

Total board power Not recorded

Suggested PSU Not recorded

Power connectors Not recorded

Slot width Not recorded

Length Not recorded

Width Not recorded

Height Not recorded

Cooler Not recorded

Max temperature Not recorded

Bus interface PCIe x16

Market

Launched May 1, 2007

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Desktop

Series GeForce

The NVIDIA GeForce 8400M G was released on May 1, 2007.

Benchmarks

PassMark G3D 105

PassMark G2D 124

Rank #2,388

Samples 97

Graphics and compute APIs

The NVIDIA GeForce 8400M G supports DirectX 10 and OpenGL 3.3.

DirectX 10

OpenGL 3.3

Feex has no recorded CUDA compute capability for the NVIDIA GeForce 8400M G. Feex has no recorded Vulkan version for the NVIDIA GeForce 8400M G. Feex has no recorded OpenCL version for the NVIDIA GeForce 8400M G.

Naming and aliases

The NVIDIA GeForce 8400M G is also known by other names: PassMark also lists it as NVIDIA GeForce 8400M G (Prerelease - WDDM 1.1) and NVIDIA GeForce 8400M G (Mobile).

Other names (PassMark) NVIDIA GeForce 8400M G (Prerelease - WDDM 1.1); NVIDIA GeForce 8400M G (Mobile)

Frequently asked questions

How much VRAM does the NVIDIA GeForce 8400M G have?

The NVIDIA GeForce 8400M G has 128 MB of video memory on a 64-bit bus. Its memory bandwidth is 6.4 GB/s.

How much power does the NVIDIA GeForce 8400M G use and what power supply does it need?

The NVIDIA GeForce 8400M G has a board power rating of 10 W.

How fast is the NVIDIA GeForce 8400M G?

The NVIDIA GeForce 8400M G scores 105 in the PassMark G3D benchmark, higher than 17.3% of the 2,658 GPUs benchmarked. Its PassMark rank is #2,388.

What bus interface does the NVIDIA GeForce 8400M G use?

The NVIDIA GeForce 8400M G connects over PCIe x16.

When was the NVIDIA GeForce 8400M G released?

The NVIDIA GeForce 8400M G was released on May 1, 2007.

Corrections to this record

After an audit, 1 empty field was filled from sources. Each change is listed with its old value, new value, rule and sources.

1 filled value

Architecture: Tesla (was Not recorded). Rule: Architecture from chip codename. chip G86 -> Tesla. Sources: Wikipedia: List of Nvidia graphics processing units (revision 1377107724).

The audit log is public: all changes for this GPU, the corrections overview and the method.