GeForce RTX 4090 vs Radeon RX 6600S

Place in the ranking	142	1
Place by popularity	not in top-100	6
Cost-effectiveness evaluation	no data	18.80
Power efficiency	30.68	15.38
Architecture	RDNA 2.0 (2020−2024)	Ada Lovelace (2022−2024)
GPU code name	Navi 23	AD102
Market segment	Laptop	Desktop
Release date	4 January 2022 (2 years ago)	20 September 2022 (2 years ago)
Launch price (MSRP)	no data	$1,599

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	1792	16384
Core clock speed	1700 MHz	2235 MHz
Boost clock speed	2000 MHz	2520 MHz
Number of transistors	11,060 million	76,300 million
Manufacturing process technology	7 nm	5 nm
Power consumption (TDP)	80 Watt	450 Watt
Texture fill rate	224.0	1,290
Floating-point processing power	7.168 TFLOPS	82.58 TFLOPS
ROPs	64	176
TMUs	112	512
Tensor Cores	no data	512
Ray Tracing Cores	28	128

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	medium sized	no data
Interface	PCIe 4.0 x8	PCIe 4.0 x16
Length	no data	304 mm
Width	no data	3-slot
Supplementary power connectors	None	1x 16-pin

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	GDDR6X
Maximum RAM amount	4 GB	24 GB
Memory bus width	128 Bit	384 Bit
Memory clock speed	1750 MHz	1313 MHz
Memory bandwidth	224.0 GB/s	1.01 TB/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	1x HDMI 2.1, 3x DisplayPort 1.4a
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	6.5	6.8
OpenGL	4.6	4.6
OpenCL	2.1	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 6600S 35.46

RTX 4090 100.00
+182%

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 6600S 13678

RTX 4090 38576
+182%

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	90−95 −197%	267 +197%
1440p	70−75 −191%	204 +191%
4K	50−55 −196%	148 +196%

Cost per frame, $

1080p	no data	5.99
1440p	no data	7.84
4K	no data	10.80

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

60−65

−269%

225
+269%

Full HD
Medium Preset

Assassin's Creed Odyssey	75−80 −209%	235 +209%
Assassin's Creed Valhalla	60−65 −370%	287 +370%
Battlefield 5	110−120 −112%	240−250 +112%
Call of Duty: Modern Warfare	70−75 −66.7%	120−130 +66.7%
Cyberpunk 2077	60−65 −264%	222 +264%
Far Cry 5	75−80 −51.3%	110−120 +51.3%
Far Cry New Dawn	85−90 −126%	200−210 +126%
Forza Horizon 4	180−190 −60.8%	290−300 +60.8%
Hitman 3	75−80 −72%	120−130 +72%
Horizon Zero Dawn	150−160 −133%	350−400 +133%
Metro Exodus	110−120 −33.6%	150−160 +33.6%
Red Dead Redemption 2	85−90 −45.9%	120−130 +45.9%
Shadow of the Tomb Raider	120−130 −264%	450−500 +264%
Watch Dogs: Legion	120−130 −25.2%	150−160 +25.2%

Full HD
High Preset

Assassin's Creed Odyssey	75−80 −167%	200−210 +167%
Assassin's Creed Valhalla	60−65 −307%	248 +307%
Battlefield 5	110−120 −112%	240−250 +112%
Call of Duty: Modern Warfare	70−75 −66.7%	120−130 +66.7%
Cyberpunk 2077	60−65 −251%	214 +251%
Far Cry 5	75−80 −51.3%	110−120 +51.3%
Far Cry New Dawn	85−90 −126%	200−210 +126%
Forza Horizon 4	180−190 −60.8%	290−300 +60.8%
Hitman 3	75−80 −72%	120−130 +72%
Horizon Zero Dawn	150−160 −133%	350−400 +133%
Metro Exodus	110−120 −33.6%	150−160 +33.6%
Red Dead Redemption 2	85−90 −45.9%	120−130 +45.9%
Shadow of the Tomb Raider	120−130 −331%	548 +331%
The Witcher 3: Wild Hunt	70−75 −226%	240−250 +226%
Watch Dogs: Legion	120−130 −25.2%	150−160 +25.2%

Full HD
Ultra Preset

Assassin's Creed Odyssey	75−80 −136%	179 +136%
Assassin's Creed Valhalla	60−65 −261%	220 +261%
Call of Duty: Modern Warfare	70−75 −66.7%	120−130 +66.7%
Cyberpunk 2077	60−65 −244%	210 +244%
Far Cry 5	75−80 −51.3%	110−120 +51.3%
Forza Horizon 4	180−190 −60.8%	290−300 +60.8%
Hitman 3	75−80 −72%	120−130 +72%
Horizon Zero Dawn	150−160 −161%	394 +161%
Shadow of the Tomb Raider	120−130 −326%	541 +326%
The Witcher 3: Wild Hunt	70−75 −312%	305 +312%
Watch Dogs: Legion	120−130 −24.4%	153 +24.4%

Full HD
Epic Preset

Red Dead Redemption 2

85−90

−45.9%

120−130
+45.9%

1440p
High Preset

Battlefield 5	65−70 −144%	160−170 +144%
Far Cry New Dawn	50−55 −107%	110−120 +107%

1440p
Ultra Preset

Assassin's Creed Odyssey	35−40 −308%	155 +308%
Assassin's Creed Valhalla	35−40 −382%	183 +382%
Call of Duty: Modern Warfare	40−45 −100%	80−85 +100%
Cyberpunk 2077	27−30 −470%	154 +470%
Far Cry 5	40−45 −105%	80−85 +105%
Forza Horizon 4	200−210 −34.2%	270−280 +34.2%
Hitman 3	45−50 −207%	130−140 +207%
Horizon Zero Dawn	75−80 −411%	388 +411%
Metro Exodus	65−70 −127%	152 +127%
Shadow of the Tomb Raider	80−85 −500%	504 +500%
The Witcher 3: Wild Hunt	45−50 −447%	268 +447%
Watch Dogs: Legion	180−190 −33.3%	240−250 +33.3%

1440p
Epic Preset

Red Dead Redemption 2

60−65

−111%

120−130
+111%

4K
High Preset

Battlefield 5	35−40 −151%	85−90 +151%
Far Cry New Dawn	27−30 −138%	65−70 +138%
Hitman 3	27−30 −186%	80−85 +186%
Horizon Zero Dawn	170−180 +61.9%	105 −61.9%
Metro Exodus	40−45 −223%	140−150 +223%
The Witcher 3: Wild Hunt	40−45 −585%	281 +585%

4K
Ultra Preset

Assassin's Creed Odyssey	21−24 −422%	120 +422%
Assassin's Creed Valhalla	21−24 −471%	120 +471%
Call of Duty: Modern Warfare	21−24 −136%	50−55 +136%
Cyberpunk 2077	10−12 −627%	80 +627%
Far Cry 5	20−22 −150%	50−55 +150%
Forza Horizon 4	45−50 −422%	250−260 +422%
Shadow of the Tomb Raider	45−50 −500%	282 +500%
Watch Dogs: Legion	16−18 −588%	117 +588%

4K
Epic Preset

Red Dead Redemption 2

30−35

−258%

110−120
+258%

This is how RX 6600S and RTX 4090 compete in popular games:

RTX 4090 is 197% faster in 1080p
RTX 4090 is 191% faster in 1440p
RTX 4090 is 196% faster in 4K

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

in Horizon Zero Dawn, with 4K resolution and the High Preset, the RX 6600S is 62% faster.
in Cyberpunk 2077, with 4K resolution and the Ultra Preset, the RTX 4090 is 627% faster.

All in all, in popular games:

RX 6600S is ahead in 1 test (1%)
RTX 4090 is ahead in 71 test (99%)

Pros & cons summary

Performance score	35.46	100.00
Recency	4 January 2022	20 September 2022
Maximum RAM amount	4 GB	24 GB
Chip lithography	7 nm	5 nm
Power consumption (TDP)	80 Watt	450 Watt

RX 6600S has 462.5% lower power consumption.

RTX 4090, on the other hand, has a 182% higher aggregate performance score, an age advantage of 8 months, a 500% higher maximum VRAM amount, and a 40% more advanced lithography process.

The GeForce RTX 4090 is our recommended choice as it beats the Radeon RX 6600S in performance tests.

Be aware that Radeon RX 6600S is a notebook card while GeForce RTX 4090 is a desktop one.

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