Radeon RX 6600S vs GeForce GTX 1660 Ti Mobile

Place in the ranking	194	171
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	100.00	no data
Power efficiency	24.77	27.67
Architecture	Turing (2018−2022)	RDNA 2.0 (2020−2024)
GPU code name	TU116	Navi 23
Market segment	Laptop	Laptop
Release date	23 April 2019 (5 years ago)	4 January 2022 (2 years ago)
Launch price (MSRP)	$229	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	1536	1792
Core clock speed	1455 MHz	1700 MHz
Boost clock speed	1590 MHz	2000 MHz
Number of transistors	6,600 million	11,060 million
Manufacturing process technology	12 nm	7 nm
Power consumption (TDP)	80 Watt	80 Watt
Texture fill rate	152.6	224.0
Floating-point processing power	4.884 TFLOPS	7.168 TFLOPS
ROPs	48	64
TMUs	96	112
Ray Tracing Cores	no data	28

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	medium sized
Interface	PCIe 3.0 x16	PCIe 4.0 x8
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	GDDR6	GDDR6
Maximum RAM amount	6 GB	4 GB
Memory bus width	192 Bit	128 Bit
Memory clock speed	1500 MHz	1750 MHz
Memory bandwidth	288.0 GB/s	224.0 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

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	6.5	6.5
OpenGL	4.6	4.6
OpenCL	1.2	2.1
Vulkan	1.2.131	1.3
CUDA	7.5	-

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	88 −8%	95−100 +8%
1440p	58 −3.4%	60−65 +3.4%
4K	32 −9.4%	35−40 +9.4%

Cost per frame, $

1080p	2.60	no data
1440p	3.95	no data
4K	7.16	no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

86
+41%

60−65

−41%

Full HD
Medium Preset

Assassin's Creed Odyssey	80 +5.3%	75−80 −5.3%
Assassin's Creed Valhalla	66 +8.2%	60−65 −8.2%
Battlefield 5	129 +12.2%	110−120 −12.2%
Call of Duty: Modern Warfare	82 +13.9%	70−75 −13.9%
Cyberpunk 2077	68 +11.5%	60−65 −11.5%
Far Cry 5	98 +25.6%	75−80 −25.6%
Far Cry New Dawn	102 +14.6%	85−90 −14.6%
Forza Horizon 4	304 +68%	180−190 −68%
Hitman 3	77 +2.7%	75−80 −2.7%
Horizon Zero Dawn	209 +38.4%	150−160 −38.4%
Metro Exodus	126 +8.6%	110−120 −8.6%
Red Dead Redemption 2	99 +16.5%	85−90 −16.5%
Shadow of the Tomb Raider	155 +22%	120−130 −22%
Watch Dogs: Legion	225 +82.9%	120−130 −82.9%

Full HD
High Preset

Assassin's Creed Odyssey	125 +64.5%	75−80 −64.5%
Assassin's Creed Valhalla	49 −24.5%	60−65 +24.5%
Battlefield 5	109 −5.5%	110−120 +5.5%
Call of Duty: Modern Warfare	73 +1.4%	70−75 −1.4%
Cyberpunk 2077	54 −13%	60−65 +13%
Far Cry 5	77 −1.3%	75−80 +1.3%
Far Cry New Dawn	70 −27.1%	85−90 +27.1%
Forza Horizon 4	256 +41.4%	180−190 −41.4%
Hitman 3	74 −1.4%	75−80 +1.4%
Horizon Zero Dawn	207 +37.1%	150−160 −37.1%
Metro Exodus	104 −11.5%	110−120 +11.5%
Red Dead Redemption 2	83 −2.4%	85−90 +2.4%
Shadow of the Tomb Raider	118 −7.6%	120−130 +7.6%
The Witcher 3: Wild Hunt	55−60 −32.1%	70−75 +32.1%
Watch Dogs: Legion	214 +74%	120−130 −74%

Full HD
Ultra Preset

Assassin's Creed Odyssey	53 −43.4%	75−80 +43.4%
Assassin's Creed Valhalla	42 −45.2%	60−65 +45.2%
Call of Duty: Modern Warfare	53 −35.8%	70−75 +35.8%
Cyberpunk 2077	52 −17.3%	60−65 +17.3%
Far Cry 5	57 −36.8%	75−80 +36.8%
Forza Horizon 4	99 −82.8%	180−190 +82.8%
Hitman 3	63 −19%	75−80 +19%
Horizon Zero Dawn	90 −67.8%	150−160 +67.8%
Shadow of the Tomb Raider	101 −25.7%	120−130 +25.7%
The Witcher 3: Wild Hunt	55 −34.5%	70−75 +34.5%
Watch Dogs: Legion	33 −273%	120−130 +273%

Full HD
Epic Preset

Red Dead Redemption 2

−6.3%

85−90
+6.3%

1440p
High Preset

Battlefield 5	66 −3%	65−70 +3%
Far Cry New Dawn	46 −17.4%	50−55 +17.4%

1440p
Ultra Preset

Assassin's Creed Odyssey	36 −5.6%	35−40 +5.6%
Assassin's Creed Valhalla	32 −18.8%	35−40 +18.8%
Call of Duty: Modern Warfare	38 −7.9%	40−45 +7.9%
Cyberpunk 2077	25 −8%	27−30 +8%
Far Cry 5	36 −13.9%	40−45 +13.9%
Forza Horizon 4	182 −11%	200−210 +11%
Hitman 3	41 −9.8%	45−50 +9.8%
Horizon Zero Dawn	65 −16.9%	75−80 +16.9%
Metro Exodus	60 −11.7%	65−70 +11.7%
Shadow of the Tomb Raider	55−60 −44.8%	80−85 +44.8%
The Witcher 3: Wild Hunt	30−35 −48.5%	45−50 +48.5%
Watch Dogs: Legion	203 +12.8%	180−190 −12.8%

1440p
Epic Preset

Red Dead Redemption 2

−8.9%

60−65
+8.9%

4K
High Preset

Battlefield 5	31 −12.9%	35−40 +12.9%
Far Cry New Dawn	25 −16%	27−30 +16%
Hitman 3	25 −16%	27−30 +16%
Horizon Zero Dawn	76 −124%	170−180 +124%
Metro Exodus	41 −7.3%	40−45 +7.3%
The Witcher 3: Wild Hunt	35 −17.1%	40−45 +17.1%

4K
Ultra Preset

Assassin's Creed Odyssey	22 −4.5%	21−24 +4.5%
Assassin's Creed Valhalla	13 −61.5%	21−24 +61.5%
Call of Duty: Modern Warfare	19 −15.8%	21−24 +15.8%
Cyberpunk 2077	10 −10%	10−12 +10%
Far Cry 5	18 −11.1%	20−22 +11.1%
Forza Horizon 4	35−40 −36.1%	45−50 +36.1%
Shadow of the Tomb Raider	30−35 −42.4%	45−50 +42.4%
Watch Dogs: Legion	13 −30.8%	16−18 +30.8%

4K
Epic Preset

Red Dead Redemption 2

−14.8%

30−35
+14.8%

This is how GTX 1660 Ti Mobile and RX 6600S compete in popular games:

RX 6600S is 8% faster in 1080p
RX 6600S is 3% faster in 1440p
RX 6600S is 9% faster in 4K

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

in Watch Dogs: Legion, with 1080p resolution and the Medium Preset, the GTX 1660 Ti Mobile is 83% faster.
in Watch Dogs: Legion, with 1080p resolution and the Ultra Preset, the RX 6600S is 273% faster.

All in all, in popular games:

GTX 1660 Ti Mobile is ahead in 21 test (29%)
RX 6600S is ahead in 51 test (71%)

Pros & cons summary

Performance score	28.90	32.29
Recency	23 April 2019	4 January 2022
Maximum RAM amount	6 GB	4 GB
Chip lithography	12 nm	7 nm

GTX 1660 Ti Mobile has a 50% higher maximum VRAM amount.

RX 6600S, on the other hand, has a 11.7% higher aggregate performance score, an age advantage of 2 years, and a 71.4% more advanced lithography process.

The Radeon RX 6600S is our recommended choice as it beats the GeForce GTX 1660 Ti Mobile in performance tests.

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