Radeon RX 6300M vs UHD Graphics 620

Place in the ranking	805	324
Place by popularity	24	not in top-100
Power efficiency	12.32	32.93
Architecture	Generation 9.5 (2016−2020)	RDNA 2.0 (2020−2024)
GPU code name	Kaby Lake GT2	Navi 24
Market segment	Desktop	Laptop
Release date	1 September 2017 (7 years ago)	4 January 2022 (2 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 cores	192	768
Core clock speed	300 MHz	2000 MHz
Boost clock speed	1000 MHz	2400 MHz
Number of transistors	189 million	5,400 million
Manufacturing process technology	14 nm++	6 nm
Power consumption (TDP)	15 Watt	35 Watt
Texture fill rate	24.00	115.2
Floating-point processing power	0.384 TFLOPS	3.686 TFLOPS
ROPs	3	32
TMUs	24	48
Ray Tracing Cores	no data	12

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).

Interface	Ring Bus	PCIe 4.0 x4
Width	IGP	no data
Supplementary power connectors	no data	None

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 type	LPDDR3/DDR4	GDDR6
Maximum RAM amount	32 GB	2 GB
Memory bus width	System Shared	32 Bit
Memory clock speed	System Shared	2250 MHz
Memory bandwidth	no data	72 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 Connectors

Portable Device Dependent

No 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.

DirectX	12 (12_1)	12 Ultimate (12_2)
Shader Model	6.4	6.6
OpenGL	4.6	4.6
OpenCL	3.0	2.2
Vulkan	1.3	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.

UHD Graphics 620 2.67

RX 6300M 16.65
+524%

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.

UHD Graphics 620 1030

RX 6300M 6422
+523%

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 HD	13 −515%	80−85 +515%
1440p	13 −515%	80−85 +515%
4K	8 −463%	45−50 +463%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

6
+200%

2−3

−200%

Full HD
Medium Preset

Assassin's Creed Odyssey	8 +167%	3−4 −167%
Assassin's Creed Valhalla	0−1	0−1
Battlefield 5	8 −463%	45−50 +463%
Call of Duty: Modern Warfare	6 +200%	2−3 −200%
Cyberpunk 2077	5−6 +150%	2−3 −150%
Far Cry 5	5−6 −500%	30−33 +500%
Far Cry New Dawn	10 −500%	60−65 +500%
Forza Horizon 4	38 −505%	230−240 +505%
Hitman 3	7−8 +75%	4−5 −75%
Horizon Zero Dawn	40 +400%	8−9 −400%
Metro Exodus	2−3 −500%	12−14 +500%
Red Dead Redemption 2	9 −511%	55−60 +511%
Shadow of the Tomb Raider	15 +275%	4−5 −275%
Watch Dogs: Legion	30 +7.1%	27−30 −7.1%

Full HD
High Preset

Assassin's Creed Odyssey	9−10 +200%	3−4 −200%
Assassin's Creed Valhalla	0−1	0−1
Battlefield 5	4−5 −500%	24−27 +500%
Call of Duty: Modern Warfare	7−8 +250%	2−3 −250%
Cyberpunk 2077	5−6 +150%	2−3 −150%
Far Cry 5	5−6 −500%	30−33 +500%
Far Cry New Dawn	7−8 −471%	40−45 +471%
Forza Horizon 4	36 −511%	220−230 +511%
Hitman 3	7−8 +75%	4−5 −75%
Horizon Zero Dawn	34 +325%	8−9 −325%
Metro Exodus	2−3 −500%	12−14 +500%
Red Dead Redemption 2	6−7 −483%	35−40 +483%
Shadow of the Tomb Raider	11 +175%	4−5 −175%
The Witcher 3: Wild Hunt	14 +55.6%	9−10 −55.6%
Watch Dogs: Legion	35−40 +35.7%	27−30 −35.7%

Full HD
Ultra Preset

Assassin's Creed Odyssey	9−10 +200%	3−4 −200%
Assassin's Creed Valhalla	0−1	0−1
Call of Duty: Modern Warfare	7−8 +250%	2−3 −250%
Cyberpunk 2077	5−6 +150%	2−3 −150%
Far Cry 5	5−6 −500%	30−33 +500%
Forza Horizon 4	12−14 −515%	80−85 +515%
Hitman 3	7−8 +75%	4−5 −75%
Horizon Zero Dawn	5 −60%	8−9 +60%
Shadow of the Tomb Raider	14 +250%	4−5 −250%
The Witcher 3: Wild Hunt	3 −200%	9−10 +200%
Watch Dogs: Legion	35−40 +35.7%	27−30 −35.7%

Full HD
Epic Preset

Red Dead Redemption 2

6−7
−483%

35−40

+483%

1440p
High Preset

Battlefield 5	4−5 −500%	24−27 +500%
Far Cry New Dawn	4−5 −500%	24−27 +500%

1440p
Ultra Preset

Assassin's Creed Odyssey	2−3 −500%	12−14 +500%
Call of Duty: Modern Warfare	2−3 −500%	12−14 +500%
Cyberpunk 2077	1−2	0−1
Far Cry 5	3−4 −500%	18−20 +500%
Hitman 3	8−9 +33.3%	6−7 −33.3%
Horizon Zero Dawn	7−8 +250%	2−3 −250%
The Witcher 3: Wild Hunt	2−3 −500%	12−14 +500%
Watch Dogs: Legion	16−18 −494%	95−100 +494%

1440p
Epic Preset

Red Dead Redemption 2

6−7
+200%

2−3

−200%

4K
High Preset

Battlefield 5	1−2 −500%	6−7 +500%
Far Cry New Dawn	1−2 −500%	6−7 +500%

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 +100%	1−2 −100%
Assassin's Creed Valhalla	1−2	0−1
Call of Duty: Modern Warfare	1−2 −500%	6−7 +500%
Far Cry 5	1−2 −500%	6−7 +500%
Watch Dogs: Legion	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

4−5
+100%

2−3

−100%

This is how UHD Graphics 620 and RX 6300M compete in popular games:

RX 6300M is 515% faster in 1080p
RX 6300M is 515% faster in 1440p
RX 6300M is 463% faster in 4K

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

in Horizon Zero Dawn, with 1080p resolution and the Medium Preset, the UHD Graphics 620 is 400% faster.
in The Witcher 3: Wild Hunt, with 1080p resolution and the Ultra Preset, the RX 6300M is 200% faster.

All in all, in popular games:

UHD Graphics 620 is ahead in 27 tests (93%)
RX 6300M is ahead in 2 tests (7%)

Pros & cons summary

Performance score	2.67	16.65
Recency	1 September 2017	4 January 2022
Maximum RAM amount	32 GB	2 GB
Chip lithography	14 nm	6 nm
Power consumption (TDP)	15 Watt	35 Watt

UHD Graphics 620 has a 1500% higher maximum VRAM amount, and 133.3% lower power consumption.

RX 6300M, on the other hand, has a 523.6% higher aggregate performance score, an age advantage of 4 years, and a 133.3% more advanced lithography process.

The Radeon RX 6300M is our recommended choice as it beats the UHD Graphics 620 in performance tests.

Be aware that UHD Graphics 620 is a desktop card while Radeon RX 6300M is a notebook one.

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