GeForce RTX 4080 Mobile vs Radeon R5 M420

Place in the ranking	1035	27
Place by popularity	not in top-100	not in top-100
Power efficiency	no data	41.25
Architecture	GCN 1.0 (2011−2020)	Ada Lovelace (2022−2024)
GPU code name	Jet	AD104
Market segment	Laptop	Laptop
Release date	15 May 2016 (8 years ago)	3 January 2023 (1 year 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	320	7424
Core clock speed	780 MHz	1290 MHz
Boost clock speed	850 MHz	1665 MHz
Number of transistors	690 million	35,800 million
Manufacturing process technology	28 nm	4 nm
Power consumption (TDP)	no data	110 Watt
Texture fill rate	17.00	386.3
Floating-point processing power	0.544 TFLOPS	24.72 TFLOPS
ROPs	8	80
TMUs	20	232
Tensor Cores	no data	232
Ray Tracing Cores	no data	58

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 size	no data	large
Interface	PCIe 3.0 x8	PCIe 4.0 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 type	DDR3	GDDR6
Maximum RAM amount	4 GB	12 GB
Memory bus width	64 Bit	192 Bit
Memory clock speed	1000 MHz	2250 MHz
Memory bandwidth	16 GB/s	432.0 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 Connectors

No outputs

Portable Device Dependent

API compatibility

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

DirectX	12 (11_1)	12 Ultimate (12_2)
Shader Model	5.1	6.7
OpenGL	4.6	4.6
OpenCL	1.2	3.0
Vulkan	1.2.131	1.3
CUDA	-	8.9

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.

R5 M420 1.27

RTX 4080 Mobile 65.06
+5023%

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.

R5 M420 488

RTX 4080 Mobile 25098
+5043%

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	3−4 −5200%	159 +5200%
1440p	2−3 −5050%	103 +5050%
4K	1−2 −7200%	73 +7200%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

3−4

−4867%

149
+4867%

Full HD
Medium Preset

Assassin's Creed Odyssey	6−7 −1750%	110−120 +1750%
Call of Duty: Modern Warfare	4−5 −2475%	100−110 +2475%
Cyberpunk 2077	3−4 −4667%	143 +4667%
Far Cry 5	1−2 −10400%	100−110 +10400%
Far Cry New Dawn	3−4 −4167%	120−130 +4167%
Forza Horizon 4	2−3 −10800%	210−220 +10800%
Hitman 3	6−7 −1767%	110−120 +1767%
Horizon Zero Dawn	14−16 −1371%	200−210 +1371%
Red Dead Redemption 2	2−3 −5400%	110−120 +5400%
Shadow of the Tomb Raider	8−9 −2500%	200−210 +2500%
Watch Dogs: Legion	30−35 −336%	140−150 +336%

Full HD
High Preset

Assassin's Creed Odyssey	6−7 −1750%	110−120 +1750%
Call of Duty: Modern Warfare	4−5 −2475%	100−110 +2475%
Cyberpunk 2077	3−4 −4033%	124 +4033%
Far Cry 5	1−2 −10400%	100−110 +10400%
Far Cry New Dawn	3−4 −4167%	120−130 +4167%
Forza Horizon 4	2−3 −10800%	210−220 +10800%
Hitman 3	6−7 −1767%	110−120 +1767%
Horizon Zero Dawn	14−16 −1371%	200−210 +1371%
Red Dead Redemption 2	2−3 −5400%	110−120 +5400%
Shadow of the Tomb Raider	8−9 −4288%	351 +4288%
The Witcher 3: Wild Hunt	10−12 −900%	110−120 +900%
Watch Dogs: Legion	30−35 −336%	140−150 +336%

Full HD
Ultra Preset

Assassin's Creed Odyssey	6−7 −1750%	110−120 +1750%
Call of Duty: Modern Warfare	4−5 −2475%	100−110 +2475%
Cyberpunk 2077	3−4 −3933%	121 +3933%
Far Cry 5	1−2 −10400%	100−110 +10400%
Forza Horizon 4	2−3 −10800%	210−220 +10800%
Hitman 3	6−7 −1767%	110−120 +1767%
Horizon Zero Dawn	14−16 −1371%	200−210 +1371%
Shadow of the Tomb Raider	8−9 −3875%	318 +3875%
The Witcher 3: Wild Hunt	10−12 −1464%	172 +1464%
Watch Dogs: Legion	30−35 −233%	110 +233%

Full HD
Epic Preset

Red Dead Redemption 2

2−3

−5400%

110−120
+5400%

1440p
High Preset

Battlefield 5	1−2 −10900%	110−120 +10900%
Far Cry New Dawn	2−3 −4000%	80−85 +4000%

1440p
Ultra Preset

Assassin's Creed Odyssey	1−2 −5900%	60−65 +5900%
Call of Duty: Modern Warfare	0−1	60−65
Cyberpunk 2077	1−2 −8100%	82 +8100%
Far Cry 5	1−2 −6100%	60−65 +6100%
Hitman 3	7−8 −957%	70−75 +957%
Horizon Zero Dawn	4−5 −2975%	120−130 +2975%
The Witcher 3: Wild Hunt	0−1	140
Watch Dogs: Legion	6−7 −3617%	220−230 +3617%

1440p
Epic Preset

Red Dead Redemption 2

4−5

−2175%

90−95
+2175%

4K
High Preset

Far Cry New Dawn

0−1

45−50

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 −3900%	40−45 +3900%
Assassin's Creed Valhalla	1−2 −5400%	55 +5400%
Call of Duty: Modern Warfare	0−1	35−40
Far Cry 5	0−1	30−35

4K
Epic Preset

Red Dead Redemption 2

3−4

−1600%

50−55
+1600%

Full HD
Medium Preset

Assassin's Creed Valhalla	90−95 +0%	90−95 +0%
Battlefield 5	160−170 +0%	160−170 +0%
Metro Exodus	140−150 +0%	140−150 +0%

Full HD
High Preset

Assassin's Creed Valhalla	90−95 +0%	90−95 +0%
Battlefield 5	160−170 +0%	160−170 +0%
Metro Exodus	140−150 +0%	140−150 +0%

Full HD
Ultra Preset

Assassin's Creed Valhalla

118

+0%

118

+0%

1440p
Ultra Preset

Assassin's Creed Valhalla	93 +0%	93 +0%
Forza Horizon 4	260−270 +0%	260−270 +0%
Metro Exodus	95−100 +0%	95−100 +0%
Shadow of the Tomb Raider	237 +0%	237 +0%

4K
High Preset

Battlefield 5	55−60 +0%	55−60 +0%
Hitman 3	40−45 +0%	40−45 +0%
Horizon Zero Dawn	211 +0%	211 +0%
Metro Exodus	75−80 +0%	75−80 +0%
The Witcher 3: Wild Hunt	117 +0%	117 +0%

4K
Ultra Preset

Cyberpunk 2077	39 +0%	39 +0%
Forza Horizon 4	75−80 +0%	75−80 +0%
Shadow of the Tomb Raider	121 +0%	121 +0%
Watch Dogs: Legion	56 +0%	56 +0%

This is how R5 M420 and RTX 4080 Mobile compete in popular games:

RTX 4080 Mobile is 5200% faster in 1080p
RTX 4080 Mobile is 5050% faster in 1440p
RTX 4080 Mobile is 7200% faster in 4K

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

in Battlefield 5, with 1440p resolution and the High Preset, the RTX 4080 Mobile is 10900% faster.

All in all, in popular games:

RTX 4080 Mobile is ahead in 47 tests (70%)
there's a draw in 20 tests (30%)

Pros & cons summary

Performance score	1.27	65.06
Recency	15 May 2016	3 January 2023
Maximum RAM amount	4 GB	12 GB
Chip lithography	28 nm	4 nm

RTX 4080 Mobile has a 5022.8% higher aggregate performance score, an age advantage of 6 years, a 200% higher maximum VRAM amount, and a 600% more advanced lithography process.

The GeForce RTX 4080 Mobile is our recommended choice as it beats the Radeon R5 M420 in performance tests.

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