NVIDIA · GeForce GT

NVIDIA GeForce GT 420M

The NVIDIA GeForce GT 420M is a graphics card released on September 3, 2010, built on the Fermi architecture. It has 512 MB of DDR3 memory on a 128-bit bus, 25.6 GB/s of memory bandwidth, a boost clock of 500 MHz and a 23 W board power rating. It scores 392 in the PassMark G3D benchmark. It supports DirectX 12 and OpenGL 4.5.

FermiGF108

8/10 key specs recorded · 23 facts

Depth: 33 recorded fields, 4 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 PassMark Videocard Benchmark Wikipedia GPU list tables (wikigrid-2026-09)

Shading units

n/a

Memory

512 MB

DDR3 · 128-bit

Boost clock

n/a

500 MHz base

Board power

23 W

Performance

The NVIDIA GeForce GT 420M scores 392 in the PassMark G3D benchmark, higher than 32.1% of the 2,658 GPUs benchmarked (PassMark rank #2,004), measured across 363 submitted results. Its PassMark G2D score is 92.

PassMark G3D Mark

392

Rank #2,004
Faster than 32.1% of 2,658 GPUs
363 samples

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

PassMark workload tests

DirectX 9 8 fps

reference: fastest recorded 526 fps · faster than 14.2% of 1,675 GPUs

DirectX 10 2 fps

reference: fastest recorded 231 fps · faster than 11.9% of 1,602 GPUs

DirectX 11 3 fps

reference: fastest recorded 362 fps · faster than 4.2% of 1,430 GPUs

GPU Compute 157 ops/s

reference: fastest recorded 26,591 ops/s · faster than 5.2% of 1,447 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 GT 420M averages DirectX 9 8 fps, DirectX 10 2 fps, DirectX 11 3 fps and GPU Compute 157 ops/s, across 363 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

As stated by PassMark

Category Mobile

Bus interface PCIe 2.0 x16

Max memory 512 MB

Core clock 500 MHz

Memory clock 1600 MHz

DirectX 11

OpenGL 4.5

Max TDP 23 W

First benchmarked 2010-10-03

Samples 363

PassMark listing (collected 2026-10-01)

PassMark's own listing for the NVIDIA GeForce GT 420M states the PCIe 2.0 x16 interface, up to 512 MB of memory, a core clock of 500 MHz, DirectX 11 and OpenGL 4.5, first benchmarked on 2010-10-03. These are PassMark's figures, shown separately from the specification tables above.

Graphics processor

Architecture Fermi

Codename GF108

Chip Not recorded

Process node Not recorded

Transistors Not recorded

Die size Not recorded

The NVIDIA GeForce GT 420M is based on the Fermi architecture and uses the GF108 graphics processor.

Clock speeds

Base clock 500 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The NVIDIA GeForce GT 420M runs at a base clock of 500 MHz.

Memory

Size 512 MB

Type DDR3

Bus width 128-bit

Bandwidth 25.6 GB/s

The NVIDIA GeForce GT 420M is equipped with 512 MB of DDR3 memory, uses a 128-bit memory bus and delivers 25.6 GB/s of memory bandwidth.

Board and power

The NVIDIA GeForce GT 420M has a board power rating of 23 W and it connects over PCIe 2.0 x16.

Board power (TDP) 23 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 2.0 x16

Market

Launched September 3, 2010

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Desktop

Series GeForce GT

The NVIDIA GeForce GT 420M was released on September 3, 2010.

Benchmarks

PassMark G3D 392

PassMark G2D 92

Rank #2,004

Samples 363

Graphics and compute APIs

The NVIDIA GeForce GT 420M supports DirectX 12 and OpenGL 4.5.

DirectX 12

OpenGL 4.5

Feex has no recorded CUDA compute capability for the NVIDIA GeForce GT 420M. Feex has no recorded Vulkan version for the NVIDIA GeForce GT 420M. Feex has no recorded OpenCL version for the NVIDIA GeForce GT 420M.

Naming and aliases

The NVIDIA GeForce GT 420M is also known by other names: PassMark also lists it as NVIDIA GeForce GT 420M (Mobile).

Other names (PassMark) NVIDIA GeForce GT 420M (Mobile)

Frequently asked questions

How much VRAM does the NVIDIA GeForce GT 420M have?

The NVIDIA GeForce GT 420M has 512 MB of DDR3 memory on a 128-bit bus. Its memory bandwidth is 25.6 GB/s.

How much power does the NVIDIA GeForce GT 420M use and what power supply does it need?

The NVIDIA GeForce GT 420M has a board power rating of 23 W.

How fast is the NVIDIA GeForce GT 420M?

The NVIDIA GeForce GT 420M scores 392 in the PassMark G3D benchmark, higher than 32.1% of the 2,658 GPUs benchmarked. Its PassMark rank is #2,004.

What bus interface does the NVIDIA GeForce GT 420M use?

The NVIDIA GeForce GT 420M connects over PCIe 2.0 x16.

When was the NVIDIA GeForce GT 420M released?

The NVIDIA GeForce GT 420M was released on September 3, 2010.

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: Fermi (was Not recorded). Rule: Architecture from chip codename. chip GF108 -> Fermi. 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.