ATI Mobility Radeon HD 4830 vs UHD Graphics 620

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Aggregate performance score

We've compared UHD Graphics 620 and Mobility Radeon HD 4830, covering specs and all relevant benchmarks.

UHD Graphics 620
2017
32 GB LPDDR3/DDR4, 15 Watt
2.67
+88%

UHD Graphics 620 outperforms ATI Mobility HD 4830 by an impressive 88% based on our aggregate benchmark results.

Primary details

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

Place in the ranking8101001
Place by popularity27not in top-100
Power efficiency12.20no data
ArchitectureGeneration 9.5 (2016−2020)TeraScale (2005−2013)
GPU code nameKaby Lake GT2M97
Market segmentLaptopLaptop
Release date1 September 2017 (7 years ago)3 March 2009 (15 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 cores192640
Core clock speed300 MHz550 MHz
Boost clock speed1000 MHzno data
Number of transistors189 million826 million
Manufacturing process technology14 nm++40 nm
Power consumption (TDP)15 Wattno data
Texture fill rate24.0017.60
Floating-point processing power0.384 TFLOPS0.704 TFLOPS
ROPs316
TMUs2432

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 sizeno datalarge
InterfaceRing BusPCIe 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 typeLPDDR3/DDR4GDDR5
Maximum RAM amount32 GB1 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared700 MHz
Memory bandwidthno data44.8 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 ConnectorsPortable Device DependentNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Sync+no data

API compatibility

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

DirectX12 (12_1)10.1 (10_1)
Shader Model6.44.1
OpenGL4.63.3
OpenCL3.01.1
Vulkan1.3N/A

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.

UHD Graphics 620 2.67
+88%
ATI Mobility HD 4830 1.42

3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

UHD Graphics 620 7330
+89.7%
ATI Mobility HD 4830 3863

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:

Full HD13
+117%
6−7
−117%
1440p15
+114%
7−8
−114%
4K7
+133%
3−4
−133%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 6
+50%
4−5
−50%

Full HD
Medium Preset

Assassin's Creed Odyssey 8
+33.3%
6−7
−33.3%
Assassin's Creed Valhalla 0−1 0−1
Battlefield 5 8
+100%
4−5
−100%
Call of Duty: Modern Warfare 6
+50%
4−5
−50%
Cyberpunk 2077 5−6
+25%
4−5
−25%
Far Cry 5 5−6
+400%
1−2
−400%
Far Cry New Dawn 10
+233%
3−4
−233%
Forza Horizon 4 38
+1167%
3−4
−1167%
Hitman 3 7−8
+16.7%
6−7
−16.7%
Horizon Zero Dawn 40
+186%
14−16
−186%
Metro Exodus 2−3
+100%
1−2
−100%
Red Dead Redemption 2 9
+350%
2−3
−350%
Shadow of the Tomb Raider 15
+87.5%
8−9
−87.5%
Watch Dogs: Legion 30
−10%
30−35
+10%

Full HD
High Preset

Assassin's Creed Odyssey 9−10
+50%
6−7
−50%
Assassin's Creed Valhalla 0−1 0−1
Battlefield 5 4−5
+100%
2−3
−100%
Call of Duty: Modern Warfare 7−8
+75%
4−5
−75%
Cyberpunk 2077 5−6
+25%
4−5
−25%
Far Cry 5 5−6
+400%
1−2
−400%
Far Cry New Dawn 7−8
+133%
3−4
−133%
Forza Horizon 4 36
+1100%
3−4
−1100%
Hitman 3 7−8
+16.7%
6−7
−16.7%
Horizon Zero Dawn 34
+143%
14−16
−143%
Metro Exodus 2−3
+100%
1−2
−100%
Red Dead Redemption 2 6−7
+200%
2−3
−200%
Shadow of the Tomb Raider 11
+37.5%
8−9
−37.5%
The Witcher 3: Wild Hunt 14
+27.3%
10−12
−27.3%
Watch Dogs: Legion 35−40
+15.2%
30−35
−15.2%

Full HD
Ultra Preset

Assassin's Creed Odyssey 9−10
+50%
6−7
−50%
Assassin's Creed Valhalla 0−1 0−1
Call of Duty: Modern Warfare 7−8
+75%
4−5
−75%
Cyberpunk 2077 5−6
+25%
4−5
−25%
Far Cry 5 5−6
+400%
1−2
−400%
Forza Horizon 4 12−14
+333%
3−4
−333%
Hitman 3 7−8
+16.7%
6−7
−16.7%
Horizon Zero Dawn 5
−180%
14−16
+180%
Shadow of the Tomb Raider 14
+75%
8−9
−75%
The Witcher 3: Wild Hunt 3
−267%
10−12
+267%
Watch Dogs: Legion 35−40
+15.2%
30−35
−15.2%

Full HD
Epic Preset

Red Dead Redemption 2 6−7
+200%
2−3
−200%

1440p
High Preset

Battlefield 5 4−5
+300%
1−2
−300%
Far Cry New Dawn 4−5
+100%
2−3
−100%

1440p
Ultra Preset

Assassin's Creed Odyssey 2−3
+100%
1−2
−100%
Call of Duty: Modern Warfare 2−3 0−1
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 3−4
+200%
1−2
−200%
Hitman 3 8−9
+14.3%
7−8
−14.3%
Horizon Zero Dawn 7−8
+40%
5−6
−40%
The Witcher 3: Wild Hunt 2−3
+100%
1−2
−100%
Watch Dogs: Legion 16−18
+167%
6−7
−167%

1440p
Epic Preset

Red Dead Redemption 2 6−7
+50%
4−5
−50%

4K
High Preset

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

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
+100%
1−2
−100%
Assassin's Creed Valhalla 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 1−2 0−1
Far Cry 5 1−2 0−1
Watch Dogs: Legion 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 4−5
+33.3%
3−4
−33.3%

This is how UHD Graphics 620 and ATI Mobility HD 4830 compete in popular games:

  • UHD Graphics 620 is 117% faster in 1080p
  • UHD Graphics 620 is 114% faster in 1440p
  • UHD Graphics 620 is 133% faster in 4K

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

  • in Forza Horizon 4, with 1080p resolution and the Medium Preset, the UHD Graphics 620 is 1167% faster.
  • in The Witcher 3: Wild Hunt, with 1080p resolution and the Ultra Preset, the ATI Mobility HD 4830 is 267% faster.

All in all, in popular games:

  • UHD Graphics 620 is ahead in 43 tests (90%)
  • ATI Mobility HD 4830 is ahead in 3 tests (6%)
  • there's a draw in 2 tests (4%)

Pros & cons summary


Performance score 2.67 1.42
Recency 1 September 2017 3 March 2009
Maximum RAM amount 32 GB 1 GB
Chip lithography 14 nm 40 nm

UHD Graphics 620 has a 88% higher aggregate performance score, an age advantage of 8 years, a 3100% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

The UHD Graphics 620 is our recommended choice as it beats the Mobility Radeon HD 4830 in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel UHD Graphics 620
UHD Graphics 620
ATI Mobility Radeon HD 4830
Mobility Radeon HD 4830

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.


3 4477 votes

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Questions & comments

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