Radeon HD 6430M vs GeForce GT 420M

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Aggregate performance score

We've compared GeForce GT 420M and Radeon HD 6430M, covering specs and all relevant benchmarks.

GT 420M
2010
1 GB DDR3, 23 Watt
1.03
+106%

GT 420M outperforms HD 6430M by a whopping 106% based on our aggregate benchmark results.

Primary details

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

Place in the ranking11031234
Place by popularitynot in top-100not in top-100
Power efficiency3.07no data
ArchitectureFermi (2010−2014)TeraScale 2 (2009−2015)
GPU code nameGF108Seymour
Market segmentLaptopLaptop
Release date3 September 2010 (14 years ago)4 January 2011 (13 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 cores96160
Core clock speed500 MHz480 MHz
Number of transistors585 million370 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)23 Wattno data
Texture fill rate8.0003.840
Floating-point processing power0.192 TFLOPS0.1536 TFLOPS
ROPs44
TMUs168

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).

Laptop sizemedium sizedno data
InterfacePCIe 2.0 x16PCIe 2.0 x16

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 typeDDR3DDR3
Maximum RAM amount1 GB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed800 MHz800 MHz
Memory bandwidth25.6 GB/s12.8 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 outputsNo outputs

API compatibility

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

DirectX12 API11.2 (11_0)
Shader Model5.15.0
OpenGL4.54.4
OpenCL1.11.2
VulkanN/AN/A
CUDA+-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

GT 420M 1.03
+106%
HD 6430M 0.50

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

GT 420M 396
+106%
HD 6430M 192

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

900p12
+140%
5−6
−140%
Full HD16
+129%
7−8
−129%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
+50%
2−3
−50%

Full HD
Medium Preset

Assassin's Creed Odyssey 5−6
+66.7%
3−4
−66.7%
Call of Duty: Modern Warfare 4−5
+100%
2−3
−100%
Cyberpunk 2077 3−4
+50%
2−3
−50%
Far Cry 5 1−2 0−1
Far Cry New Dawn 2−3 0−1
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
+25%
4−5
−25%
Horizon Zero Dawn 12−14
+62.5%
8−9
−62.5%
Red Dead Redemption 2 1−2 0−1
Shadow of the Tomb Raider 7−8
+75%
4−5
−75%
Watch Dogs: Legion 30−35
+14.3%
27−30
−14.3%

Full HD
High Preset

Assassin's Creed Odyssey 5−6
+66.7%
3−4
−66.7%
Call of Duty: Modern Warfare 4−5
+100%
2−3
−100%
Cyberpunk 2077 3−4
+50%
2−3
−50%
Far Cry 5 1−2 0−1
Far Cry New Dawn 2−3 0−1
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
+25%
4−5
−25%
Horizon Zero Dawn 12−14
+62.5%
8−9
−62.5%
Red Dead Redemption 2 1−2 0−1
Shadow of the Tomb Raider 7−8
+75%
4−5
−75%
The Witcher 3: Wild Hunt 10−12
+22.2%
9−10
−22.2%
Watch Dogs: Legion 30−35
+14.3%
27−30
−14.3%

Full HD
Ultra Preset

Assassin's Creed Odyssey 5−6
+66.7%
3−4
−66.7%
Call of Duty: Modern Warfare 4−5
+100%
2−3
−100%
Cyberpunk 2077 3−4
+50%
2−3
−50%
Far Cry 5 1−2 0−1
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
+25%
4−5
−25%
Horizon Zero Dawn 12−14
+62.5%
8−9
−62.5%
Shadow of the Tomb Raider 7−8
+75%
4−5
−75%
The Witcher 3: Wild Hunt 10−12
+22.2%
9−10
−22.2%
Watch Dogs: Legion 30−35
+14.3%
27−30
−14.3%

Full HD
Epic Preset

Red Dead Redemption 2 1−2 0−1

1440p
High Preset

Battlefield 5 1−2 0−1
Far Cry New Dawn 1−2 0−1

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2 0−1
Cyberpunk 2077 1−2 0−1
Far Cry 5 1−2 0−1
Hitman 3 7−8
+16.7%
6−7
−16.7%
Horizon Zero Dawn 4−5
+100%
2−3
−100%
The Witcher 3: Wild Hunt 0−1 0−1
Watch Dogs: Legion 4−5
+300%
1−2
−300%

1440p
Epic Preset

Red Dead Redemption 2 4−5
+100%
2−3
−100%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Assassin's Creed Valhalla 0−1 0−1
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

This is how GT 420M and HD 6430M compete in popular games:

  • GT 420M is 140% faster in 900p
  • GT 420M is 129% faster in 1080p

Here's the range of performance differences observed across popular games:

  • in Call of Duty: Modern Warfare, with 1080p resolution and the Medium Preset, the GT 420M is 100% faster.

All in all, in popular games:

  • GT 420M is ahead in 27 tests (93%)
  • there's a draw in 2 tests (7%)

Pros & cons summary


Performance score 1.03 0.50
Recency 3 September 2010 4 January 2011

GT 420M has a 106% higher aggregate performance score.

HD 6430M, on the other hand, has an age advantage of 4 months.

The GeForce GT 420M is our recommended choice as it beats the Radeon HD 6430M in performance tests.


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 GT 420M
GeForce GT 420M
AMD Radeon HD 6430M
Radeon HD 6430M

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.


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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.