Radeon RX 6400 vs HD Graphics 620

VS

Aggregate performance score

We've compared HD Graphics 620 with Radeon RX 6400, including specs and performance data.

HD Graphics 620
2016
32 GB DDR3L/LPDDR3/LPDDR4, 15 Watt
2.43

RX 6400 outperforms HD Graphics 620 by a whopping 714% based on our aggregate benchmark results.

Primary details

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

Place in the ranking841279
Place by popularity63not in top-100
Cost-effectiveness evaluationno data53.99
Power efficiency11.1125.60
ArchitectureGeneration 9.5 (2016−2020)RDNA 2.0 (2020−2024)
GPU code nameKaby Lake GT2Navi 24
Market segmentLaptopDesktop
Release date30 August 2016 (8 years ago)19 January 2022 (2 years ago)
Launch price (MSRP)no data$159

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores192768
Core clock speed300 MHz1923 MHz
Boost clock speed1000 MHz2321 MHz
Number of transistors189 million5,400 million
Manufacturing process technology14 nm++6 nm
Power consumption (TDP)15 Watt53 Watt
Texture fill rate24.00111.4
Floating-point processing power0.384 TFLOPS3.565 TFLOPS
ROPs332
TMUs2448
Ray Tracing Coresno data12

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).

InterfaceRing BusPCIe 4.0 x4
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeDDR3L/LPDDR3/LPDDR4GDDR6
Maximum RAM amount32 GB4 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared2000 MHz
Memory bandwidthno data128.0 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 Dependent1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI-+

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)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL3.02.2
Vulkan+1.3

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.

HD Graphics 620 2.43
RX 6400 19.79
+714%

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.

HD Graphics 620 935
RX 6400 7626
+716%

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
−669%
100−110
+669%

Cost per frame, $

1080pno data1.59

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 5−6
−700%
40−45
+700%

Full HD
Medium Preset

Assassin's Creed Odyssey 8−9
−713%
65−70
+713%
Battlefield 5 3−4
−700%
24−27
+700%
Call of Duty: Modern Warfare 6−7
−650%
45−50
+650%
Cyberpunk 2077 5−6
−700%
40−45
+700%
Far Cry 5 6
−650%
45−50
+650%
Far Cry New Dawn 6−7
−650%
45−50
+650%
Forza Horizon 4 25
−700%
200−210
+700%
Hitman 3 7−8
−686%
55−60
+686%
Horizon Zero Dawn 20−22
−700%
160−170
+700%
Metro Exodus 1−2
−700%
8−9
+700%
Red Dead Redemption 2 5−6
−700%
40−45
+700%
Shadow of the Tomb Raider 14
−686%
110−120
+686%
Watch Dogs: Legion 35−40
−711%
300−310
+711%

Full HD
High Preset

Assassin's Creed Odyssey 8−9
−713%
65−70
+713%
Battlefield 5 3−4
−700%
24−27
+700%
Call of Duty: Modern Warfare 6−7
−650%
45−50
+650%
Cyberpunk 2077 5−6
−700%
40−45
+700%
Far Cry 5 4−5
−650%
30−33
+650%
Far Cry New Dawn 6−7
−650%
45−50
+650%
Forza Horizon 4 10−12
−673%
85−90
+673%
Hitman 3 7−8
−686%
55−60
+686%
Horizon Zero Dawn 20−22
−700%
160−170
+700%
Metro Exodus 1−2
−700%
8−9
+700%
Red Dead Redemption 2 5−6
−700%
40−45
+700%
Shadow of the Tomb Raider 10−12
−673%
85−90
+673%
The Witcher 3: Wild Hunt 15
−700%
120−130
+700%
Watch Dogs: Legion 35−40
−711%
300−310
+711%

Full HD
Ultra Preset

Assassin's Creed Odyssey 8−9
−713%
65−70
+713%
Call of Duty: Modern Warfare 6−7
−650%
45−50
+650%
Cyberpunk 2077 5−6
−700%
40−45
+700%
Far Cry 5 4−5
−650%
30−33
+650%
Forza Horizon 4 10−12
−673%
85−90
+673%
Hitman 3 7−8
−686%
55−60
+686%
Horizon Zero Dawn 20−22
−700%
160−170
+700%
Shadow of the Tomb Raider 10−12
−673%
85−90
+673%
The Witcher 3: Wild Hunt 12−14
−669%
100−105
+669%
Watch Dogs: Legion 35−40
−711%
300−310
+711%

Full HD
Epic Preset

Red Dead Redemption 2 5−6
−700%
40−45
+700%

1440p
High Preset

Battlefield 5 4−5
−650%
30−33
+650%
Far Cry New Dawn 4−5
−650%
30−33
+650%

1440p
Ultra Preset

Assassin's Creed Odyssey 2−3
−700%
16−18
+700%
Call of Duty: Modern Warfare 1−2
−700%
8−9
+700%
Cyberpunk 2077 1−2
−700%
8−9
+700%
Far Cry 5 3−4
−700%
24−27
+700%
Hitman 3 7−8
−686%
55−60
+686%
Horizon Zero Dawn 7−8
−686%
55−60
+686%
The Witcher 3: Wild Hunt 2−3
−700%
16−18
+700%
Watch Dogs: Legion 14−16
−686%
110−120
+686%

1440p
Epic Preset

Red Dead Redemption 2 5−6
−700%
40−45
+700%

4K
High Preset

Battlefield 5 0−1 0−1
Far Cry New Dawn 1−2
−700%
8−9
+700%

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
−700%
16−18
+700%
Assassin's Creed Valhalla 1−2
−700%
8−9
+700%
Call of Duty: Modern Warfare 1−2
−700%
8−9
+700%
Far Cry 5 1−2
−700%
8−9
+700%
Watch Dogs: Legion 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 3−4
−700%
24−27
+700%

This is how HD Graphics 620 and RX 6400 compete in popular games:

  • RX 6400 is 669% faster in 1080p

Pros & cons summary


Performance score 2.43 19.79
Recency 30 August 2016 19 January 2022
Maximum RAM amount 32 GB 4 GB
Chip lithography 14 nm 6 nm
Power consumption (TDP) 15 Watt 53 Watt

HD Graphics 620 has a 700% higher maximum VRAM amount, and 253.3% lower power consumption.

RX 6400, on the other hand, has a 714.4% higher aggregate performance score, an age advantage of 5 years, and a 133.3% more advanced lithography process.

The Radeon RX 6400 is our recommended choice as it beats the HD Graphics 620 in performance tests.

Be aware that HD Graphics 620 is a notebook card while Radeon RX 6400 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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Intel HD Graphics 620
HD Graphics 620
AMD Radeon RX 6400
Radeon RX 6400

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.


3.1 2683 votes

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4 1978 votes

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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.