GeForce RTX 4080 Mobile vs Radeon RX 6600S

Place in the ranking	177	30
Place by popularity	not in top-100	not in top-100
Power efficiency	27.92	41.03
Architecture	RDNA 2.0 (2020−2024)	Ada Lovelace (2022−2024)
GPU code name	Navi 23	AD104
Market segment	Laptop	Laptop
Release date	4 January 2022 (3 years ago)	3 January 2023 (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	1792	7424
Core clock speed	1700 MHz	1290 MHz
Boost clock speed	2000 MHz	1665 MHz
Number of transistors	11,060 million	35,800 million
Manufacturing process technology	7 nm	4 nm
Power consumption (TDP)	80 Watt	110 Watt
Texture fill rate	224.0	386.3
Floating-point processing power	7.168 TFLOPS	24.72 TFLOPS
ROPs	64	80
TMUs	112	232
Tensor Cores	no data	232
Ray Tracing Cores	28	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	medium sized	large
Interface	PCIe 4.0 x8	PCIe 4.0 x16
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	12 GB
Memory bus width	128 Bit	192 Bit
Memory clock speed	1750 MHz	2250 MHz
Memory bandwidth	224.0 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 and SDK 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	6.7
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 31.26

RTX 4080 Mobile 63.16
+102%

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 12444

RTX 4080 Mobile 25144
+102%

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	75−80 −109%	157 +109%
1440p	45−50 −124%	101 +124%
4K	30−35 −130%	69 +130%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	60−65 −203%	191 +203%
Cyberpunk 2077	65−70 −119%	149 +119%

Full HD
Medium Preset

Battlefield 5	90−95 −25.8%	110−120 +25.8%
Counter-Strike 2	60−65 −171%	171 +171%
Cyberpunk 2077	65−70 −4.4%	71 +4.4%
Forza Horizon 4	150−160 −155%	383 +155%
Forza Horizon 5	80−85 −105%	172 +105%
Metro Exodus	80−85 −66.7%	130−140 +66.7%
Red Dead Redemption 2	65−70 −80.3%	110−120 +80.3%
Valorant	120−130 −143%	300−350 +143%

Full HD
High Preset

Battlefield 5	90−95 −25.8%	110−120 +25.8%
Counter-Strike 2	60−65 −102%	127 +102%
Cyberpunk 2077	65−70 +9.7%	62 −9.7%
Dota 2	100−110 −54.7%	164 +54.7%
Far Cry 5	85−90 −42.7%	127 +42.7%
Fortnite	150−160 −70.7%	250−260 +70.7%
Forza Horizon 4	150−160 −134%	351 +134%
Forza Horizon 5	80−85 −98.8%	160−170 +98.8%
Grand Theft Auto V	100−110 −48.1%	157 +48.1%
Metro Exodus	80−85 +32.8%	61 −32.8%
PLAYERUNKNOWN'S BATTLEGROUNDS	180−190 −17.5%	210−220 +17.5%
Red Dead Redemption 2	65−70 −80.3%	110−120 +80.3%
The Witcher 3: Wild Hunt	110−120 −58.2%	170−180 +58.2%
Valorant	120−130 −143%	300−350 +143%
World of Tanks	270−280 −0.7%	270−280 +0.7%

Full HD
Ultra Preset

Battlefield 5	90−95 −25.8%	110−120 +25.8%
Counter-Strike 2	60−65 −77.8%	112 +77.8%
Cyberpunk 2077	65−70 +11.5%	61 −11.5%
Dota 2	100−110 −55.7%	165 +55.7%
Far Cry 5	85−90 −41.6%	120−130 +41.6%
Forza Horizon 4	150−160 −115%	323 +115%
Forza Horizon 5	80−85 −100%	168 +100%
PLAYERUNKNOWN'S BATTLEGROUNDS	180−190 −17.5%	210−220 +17.5%
Valorant	120−130 −143%	300−350 +143%

1440p
High Preset

Dota 2	55−60 −110%	122 +110%
Grand Theft Auto V	55−60 −110%	122 +110%
PLAYERUNKNOWN'S BATTLEGROUNDS	170−180 +0%	170−180 +0%
Red Dead Redemption 2	30−35 −161%	80−85 +161%
World of Tanks	200−210 −115%	400−450 +115%

1440p
Ultra Preset

Battlefield 5	60−65 −38.1%	85−90 +38.1%
Counter-Strike 2	27−30 −104%	57 +104%
Cyberpunk 2077	30−33 −36.7%	41 +36.7%
Far Cry 5	100−110 −56.9%	160−170 +56.9%
Forza Horizon 4	90−95 −163%	237 +163%
Forza Horizon 5	50−55 −130%	120−130 +130%
Metro Exodus	70−75 −69.4%	120−130 +69.4%
The Witcher 3: Wild Hunt	50−55 −169%	140 +169%
Valorant	90−95 −189%	270−280 +189%

4K
High Preset

Counter-Strike 2	14−16 −279%	53 +279%
Dota 2	60−65 −140%	144 +140%
Grand Theft Auto V	60−65 −140%	144 +140%
Metro Exodus	24−27 −158%	67 +158%
PLAYERUNKNOWN'S BATTLEGROUNDS	100−110 −105%	200−210 +105%
Red Dead Redemption 2	21−24 −157%	50−55 +157%
The Witcher 3: Wild Hunt	60−65 −140%	144 +140%

4K
Ultra Preset

Battlefield 5	35−40 −133%	80−85 +133%
Counter-Strike 2	14−16 −179%	35−40 +179%
Cyberpunk 2077	12−14 −53.8%	20 +53.8%
Dota 2	60−65 −162%	157 +162%
Far Cry 5	45−50 −133%	100−110 +133%
Fortnite	40−45 −123%	95−100 +123%
Forza Horizon 4	50−55 −135%	122 +135%
Forza Horizon 5	27−30 −159%	75−80 +159%
Valorant	45−50 −223%	150−160 +223%

This is how RX 6600S and RTX 4080 Mobile compete in popular games:

RTX 4080 Mobile is 109% faster in 1080p
RTX 4080 Mobile is 124% faster in 1440p
RTX 4080 Mobile is 130% faster in 4K

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

in Metro Exodus, with 1080p resolution and the High Preset, the RX 6600S is 33% faster.
in Counter-Strike 2, with 4K resolution and the High Preset, the RTX 4080 Mobile is 279% faster.

All in all, in popular games:

RX 6600S is ahead in 3 tests (5%)
RTX 4080 Mobile is ahead in 60 tests (94%)
there's a draw in 1 test (2%)

Pros & cons summary

Performance score	31.26	63.16
Recency	4 January 2022	3 January 2023
Maximum RAM amount	4 GB	12 GB
Chip lithography	7 nm	4 nm
Power consumption (TDP)	80 Watt	110 Watt

RX 6600S has 37.5% lower power consumption.

RTX 4080 Mobile, on the other hand, has a 102% higher aggregate performance score, an age advantage of 11 months, a 200% higher maximum VRAM amount, and a 75% more advanced lithography process.

The GeForce RTX 4080 Mobile is our recommended choice as it beats the Radeon RX 6600S in performance tests.

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