GeForce RTX 4090 Mobile vs Radeon RX 6400

Place in the ranking	276	18
Place by popularity	100	not in top-100
Cost-effectiveness evaluation	53.17	no data
Power efficiency	25.78	41.62
Architecture	RDNA 2.0 (2020−2024)	Ada Lovelace (2022−2024)
GPU code name	Navi 24	AD103
Market segment	Desktop	Laptop
Release date	19 January 2022 (2 years ago)	3 January 2023 (1 year ago)
Launch price (MSRP)	$159	no data

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 cores	768	9728
Core clock speed	1923 MHz	1335 MHz
Boost clock speed	2321 MHz	1695 MHz
Number of transistors	5,400 million	45,900 million
Manufacturing process technology	6 nm	4 nm
Power consumption (TDP)	53 Watt	120 Watt
Texture fill rate	111.4	515.3
Floating-point processing power	3.565 TFLOPS	32.98 TFLOPS
ROPs	32	112
TMUs	48	304
Tensor Cores	no data	304
Ray Tracing Cores	12	76

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 4.0 x4	PCIe 4.0 x16
Width	1-slot	no data
Supplementary power connectors	None	no data

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	GDDR6	GDDR6
Maximum RAM amount	4 GB	16 GB
Memory bus width	64 Bit	256 Bit
Memory clock speed	2000 MHz	2250 MHz
Memory bandwidth	128.0 GB/s	576.0 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	1x HDMI 2.1, 1x DisplayPort 1.4a	Portable Device Dependent
HDMI	+	-

API compatibility

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

DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
Shader Model	6.7	6.7
OpenGL	4.6	4.6
OpenCL	2.2	3.0
Vulkan	1.3	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.

RX 6400 19.65

RTX 4090 Mobile 71.82
+265%

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.

RX 6400 7584

RTX 4090 Mobile 27715
+265%

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	45−50 −296%	178 +296%
1440p	35−40 −289%	136 +289%
4K	21−24 −295%	83 +295%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

156

+0%

156

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	110−120 +0%	110−120 +0%
Assassin's Creed Valhalla	95−100 +0%	95−100 +0%
Battlefield 5	170−180 +0%	170−180 +0%
Call of Duty: Modern Warfare	100−110 +0%	100−110 +0%
Cyberpunk 2077	142 +0%	142 +0%
Far Cry 5	100−110 +0%	100−110 +0%
Far Cry New Dawn	130−140 +0%	130−140 +0%
Forza Horizon 4	220−230 +0%	220−230 +0%
Hitman 3	168 +0%	168 +0%
Horizon Zero Dawn	210−220 +0%	210−220 +0%
Metro Exodus	150−160 +0%	150−160 +0%
Red Dead Redemption 2	110−120 +0%	110−120 +0%
Shadow of the Tomb Raider	210−220 +0%	210−220 +0%
Watch Dogs: Legion	140−150 +0%	140−150 +0%

Full HD
High Preset

Assassin's Creed Odyssey	110−120 +0%	110−120 +0%
Assassin's Creed Valhalla	187 +0%	187 +0%
Battlefield 5	170−180 +0%	170−180 +0%
Call of Duty: Modern Warfare	100−110 +0%	100−110 +0%
Cyberpunk 2077	136 +0%	136 +0%
Far Cry 5	100−110 +0%	100−110 +0%
Far Cry New Dawn	130−140 +0%	130−140 +0%
Forza Horizon 4	220−230 +0%	220−230 +0%
Hitman 3	167 +0%	167 +0%
Horizon Zero Dawn	210−220 +0%	210−220 +0%
Metro Exodus	150−160 +0%	150−160 +0%
Red Dead Redemption 2	110−120 +0%	110−120 +0%
Shadow of the Tomb Raider	387 +0%	387 +0%
The Witcher 3: Wild Hunt	110−120 +0%	110−120 +0%
Watch Dogs: Legion	140−150 +0%	140−150 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	110−120 +0%	110−120 +0%
Assassin's Creed Valhalla	161 +0%	161 +0%
Call of Duty: Modern Warfare	100−110 +0%	100−110 +0%
Cyberpunk 2077	125 +0%	125 +0%
Far Cry 5	100−110 +0%	100−110 +0%
Forza Horizon 4	220−230 +0%	220−230 +0%
Hitman 3	152 +0%	152 +0%
Horizon Zero Dawn	305 +0%	305 +0%
Shadow of the Tomb Raider	370 +0%	370 +0%
The Witcher 3: Wild Hunt	204 +0%	204 +0%
Watch Dogs: Legion	120 +0%	120 +0%

Full HD
Epic Preset

Red Dead Redemption 2

110−120

+0%

110−120

+0%

1440p
High Preset

Battlefield 5	110−120 +0%	110−120 +0%
Far Cry New Dawn	85−90 +0%	85−90 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	60−65 +0%	60−65 +0%
Assassin's Creed Valhalla	128 +0%	128 +0%
Call of Duty: Modern Warfare	65−70 +0%	65−70 +0%
Cyberpunk 2077	95 +0%	95 +0%
Far Cry 5	60−65 +0%	60−65 +0%
Forza Horizon 4	260−270 +0%	260−270 +0%
Hitman 3	138 +0%	138 +0%
Horizon Zero Dawn	253 +0%	253 +0%
Metro Exodus	128 +0%	128 +0%
Shadow of the Tomb Raider	294 +0%	294 +0%
The Witcher 3: Wild Hunt	164 +0%	164 +0%
Watch Dogs: Legion	220−230 +0%	220−230 +0%

1440p
Epic Preset

Red Dead Redemption 2

90−95

+0%

90−95

+0%

4K
High Preset

Battlefield 5	60−65 +0%	60−65 +0%
Far Cry New Dawn	50−55 +0%	50−55 +0%
Hitman 3	45−50 +0%	45−50 +0%
Horizon Zero Dawn	65 +0%	65 +0%
Metro Exodus	75−80 +0%	75−80 +0%
The Witcher 3: Wild Hunt	150 +0%	150 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	40−45 +0%	40−45 +0%
Assassin's Creed Valhalla	78 +0%	78 +0%
Call of Duty: Modern Warfare	35−40 +0%	35−40 +0%
Cyberpunk 2077	48 +0%	48 +0%
Far Cry 5	35−40 +0%	35−40 +0%
Forza Horizon 4	80−85 +0%	80−85 +0%
Shadow of the Tomb Raider	156 +0%	156 +0%
Watch Dogs: Legion	69 +0%	69 +0%

4K
Epic Preset

Red Dead Redemption 2

50−55

+0%

50−55

+0%

This is how RX 6400 and RTX 4090 Mobile compete in popular games:

RTX 4090 Mobile is 296% faster in 1080p
RTX 4090 Mobile is 289% faster in 1440p
RTX 4090 Mobile is 295% faster in 4K

All in all, in popular games:

there's a draw in 72 tests (100%)

Pros & cons summary

Performance score	19.65	71.82
Recency	19 January 2022	3 January 2023
Maximum RAM amount	4 GB	16 GB
Chip lithography	6 nm	4 nm
Power consumption (TDP)	53 Watt	120 Watt

RX 6400 has 126.4% lower power consumption.

RTX 4090 Mobile, on the other hand, has a 265.5% higher aggregate performance score, an age advantage of 11 months, a 300% higher maximum VRAM amount, and a 50% more advanced lithography process.

The GeForce RTX 4090 Mobile is our recommended choice as it beats the Radeon RX 6400 in performance tests.

Be aware that Radeon RX 6400 is a desktop card while GeForce RTX 4090 Mobile is a notebook one.

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