Iris Plus Graphics vs GeForce GT 420M

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Aggregate performance score

We've compared GeForce GT 420M with Iris Plus Graphics, including specs and performance data.

GT 420M
2010
1 GB DDR3, 23 Watt
1.03

Iris Plus Graphics outperforms GT 420M by a whopping 357% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1103648
Place by popularitynot in top-100not in top-100
Power efficiency3.0721.52
ArchitectureFermi (2010−2014)Generation 11.0 (2019−2021)
GPU code nameGF108Ice Lake GT2
Market segmentLaptopDesktop
Release date3 September 2010 (14 years ago)no data

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 cores96512
Core clock speed500 MHzno data
Boost clock speedno data1000 MHz
Number of transistors585 millionno data
Manufacturing process technology40 nm10 nm
Power consumption (TDP)23 Watt15 Watt
Texture fill rate8.00032.00
Floating-point processing power0.192 TFLOPS1.024 TFLOPS
ROPs48
TMUs1632

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 3.0 x1
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 typeDDR3System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed800 MHzSystem Shared
Memory bandwidth25.6 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.

DirectX12 API12 (12_1)
Shader Model5.1no data
OpenGL4.54.6
OpenCL1.1no data
VulkanN/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
Iris Plus Graphics 4.71
+357%

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
Iris Plus Graphics 1814
+358%

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
−317%
50−55
+317%
Full HD16
−338%
70−75
+338%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
−300%
12−14
+300%

Full HD
Medium Preset

Assassin's Creed Odyssey 5−6
−320%
21−24
+320%
Call of Duty: Modern Warfare 4−5
−350%
18−20
+350%
Cyberpunk 2077 3−4
−300%
12−14
+300%
Far Cry 5 1−2
−300%
4−5
+300%
Far Cry New Dawn 2−3
−350%
9−10
+350%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
−320%
21−24
+320%
Horizon Zero Dawn 12−14
−323%
55−60
+323%
Red Dead Redemption 2 1−2
−300%
4−5
+300%
Shadow of the Tomb Raider 7−8
−329%
30−33
+329%
Watch Dogs: Legion 30−35
−338%
140−150
+338%

Full HD
High Preset

Assassin's Creed Odyssey 5−6
−320%
21−24
+320%
Call of Duty: Modern Warfare 4−5
−350%
18−20
+350%
Cyberpunk 2077 3−4
−300%
12−14
+300%
Far Cry 5 1−2
−300%
4−5
+300%
Far Cry New Dawn 2−3
−350%
9−10
+350%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
−320%
21−24
+320%
Horizon Zero Dawn 12−14
−323%
55−60
+323%
Red Dead Redemption 2 1−2
−300%
4−5
+300%
Shadow of the Tomb Raider 7−8
−329%
30−33
+329%
The Witcher 3: Wild Hunt 10−12
−355%
50−55
+355%
Watch Dogs: Legion 30−35
−338%
140−150
+338%

Full HD
Ultra Preset

Assassin's Creed Odyssey 5−6
−320%
21−24
+320%
Call of Duty: Modern Warfare 4−5
−350%
18−20
+350%
Cyberpunk 2077 3−4
−300%
12−14
+300%
Far Cry 5 1−2
−300%
4−5
+300%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
−320%
21−24
+320%
Horizon Zero Dawn 12−14
−323%
55−60
+323%
Shadow of the Tomb Raider 7−8
−329%
30−33
+329%
The Witcher 3: Wild Hunt 10−12
−355%
50−55
+355%
Watch Dogs: Legion 30−35
−338%
140−150
+338%

Full HD
Epic Preset

Red Dead Redemption 2 1−2
−300%
4−5
+300%

1440p
High Preset

Battlefield 5 1−2
−300%
4−5
+300%
Far Cry New Dawn 1−2
−300%
4−5
+300%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
−300%
4−5
+300%
Cyberpunk 2077 1−2
−300%
4−5
+300%
Far Cry 5 1−2
−300%
4−5
+300%
Hitman 3 7−8
−329%
30−33
+329%
Horizon Zero Dawn 4−5
−350%
18−20
+350%
The Witcher 3: Wild Hunt 0−1 0−1
Watch Dogs: Legion 4−5
−350%
18−20
+350%

1440p
Epic Preset

Red Dead Redemption 2 4−5
−350%
18−20
+350%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
−300%
4−5
+300%
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
−350%
9−10
+350%

This is how GT 420M and Iris Plus Graphics compete in popular games:

  • Iris Plus Graphics is 317% faster in 900p
  • Iris Plus Graphics is 338% faster in 1080p

Pros & cons summary


Performance score 1.03 4.71
Chip lithography 40 nm 10 nm
Power consumption (TDP) 23 Watt 15 Watt

Iris Plus Graphics has a 357.3% higher aggregate performance score, a 300% more advanced lithography process, and 53.3% lower power consumption.

The Iris Plus Graphics is our recommended choice as it beats the GeForce GT 420M in performance tests.

Be aware that GeForce GT 420M is a notebook card while Iris Plus 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 GT 420M
GeForce GT 420M
Intel Iris Plus Graphics
Iris Plus Graphics

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.


2.7 122 votes

Rate GeForce GT 420M on a scale of 1 to 5:

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2.9 374 votes

Rate Iris Plus Graphics on a scale of 1 to 5:

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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.