L4 vs Radeon RX 6600M

Place in the ranking	136	190
Place by popularity	not in top-100	not in top-100
Power efficiency	24.61	28.50
Architecture	RDNA 2.0 (2020−2024)	Ada Lovelace (2022−2024)
GPU code name	Navi 23	AD104
Market segment	Laptop	Workstation
Release date	31 May 2021 (3 years ago)	21 March 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	1792	7424
Core clock speed	2068 MHz	795 MHz
Boost clock speed	2416 MHz	2040 MHz
Number of transistors	11,060 million	35,800 million
Manufacturing process technology	7 nm	5 nm
Power consumption (TDP)	100 Watt	72 Watt
Texture fill rate	270.6	489.6
Floating-point processing power	8.659 TFLOPS	30.29 TFLOPS
ROPs	64	80
TMUs	112	240
Tensor Cores	no data	240
Ray Tracing Cores	28	60

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	169 mm
Width	no data	1-slot
Supplementary power connectors	None	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	8 GB	24 GB
Memory bus width	128 Bit	192 Bit
Memory clock speed	1750 MHz	1563 MHz
Memory bandwidth	224.0 GB/s	300.1 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 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 6600M 35.88
+20%

L4 29.91

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 6600M 13819
+20%

L4 11518

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	99 +23.8%	80−85 −23.8%
1440p	53 +32.5%	40−45 −32.5%
4K	31 +29.2%	24−27 −29.2%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

110

+22.2%

90−95
−22.2%

Full HD
Medium Preset

Assassin's Creed Odyssey	108 +20%	90−95 −20%
Assassin's Creed Valhalla	95 +26.7%	75−80 −26.7%
Battlefield 5	110−120 +21.1%	95−100 −21.1%
Call of Duty: Modern Warfare	70−75 +20%	60−65 −20%
Cyberpunk 2077	90 +20%	75−80 −20%
Far Cry 5	75−80 +20%	65−70 −20%
Far Cry New Dawn	85−90 +27.1%	70−75 −27.1%
Forza Horizon 4	180−190 +21.3%	150−160 −21.3%
Hitman 3	75−80 +25%	60−65 −25%
Horizon Zero Dawn	150−160 +25.8%	120−130 −25.8%
Metro Exodus	110−120 +22.1%	95−100 −22.1%
Red Dead Redemption 2	85−90 +21.4%	70−75 −21.4%
Shadow of the Tomb Raider	120−130 +27%	100−105 −27%
Watch Dogs: Legion	120−130 +23%	100−105 −23%

Full HD
High Preset

Assassin's Creed Odyssey	199 +24.4%	160−170 −24.4%
Assassin's Creed Valhalla	79 +21.5%	65−70 −21.5%
Battlefield 5	110−120 +21.1%	95−100 −21.1%
Call of Duty: Modern Warfare	70−75 +20%	60−65 −20%
Cyberpunk 2077	72 +20%	60−65 −20%
Far Cry 5	75−80 +20%	65−70 −20%
Far Cry New Dawn	85−90 +27.1%	70−75 −27.1%
Forza Horizon 4	180−190 +21.3%	150−160 −21.3%
Hitman 3	75−80 +25%	60−65 −25%
Horizon Zero Dawn	150−160 +25.8%	120−130 −25.8%
Metro Exodus	110−120 +22.1%	95−100 −22.1%
Red Dead Redemption 2	85−90 +21.4%	70−75 −21.4%
Shadow of the Tomb Raider	173 +23.6%	140−150 −23.6%
The Witcher 3: Wild Hunt	70−75 +23.3%	60−65 −23.3%
Watch Dogs: Legion	120−130 +23%	100−105 −23%

Full HD
Ultra Preset

Assassin's Creed Odyssey	79 +21.5%	65−70 −21.5%
Assassin's Creed Valhalla	69 +25.5%	55−60 −25.5%
Call of Duty: Modern Warfare	70−75 +20%	60−65 −20%
Cyberpunk 2077	61 +22%	50−55 −22%
Far Cry 5	75−80 +20%	65−70 −20%
Forza Horizon 4	168 +20%	140−150 −20%
Hitman 3	75−80 +25%	60−65 −25%
Horizon Zero Dawn	134 +21.8%	110−120 −21.8%
Shadow of the Tomb Raider	153 +27.5%	120−130 −27.5%
The Witcher 3: Wild Hunt	85 +21.4%	70−75 −21.4%
Watch Dogs: Legion	59 +31.1%	45−50 −31.1%

Full HD
Epic Preset

Red Dead Redemption 2

85−90
+21.4%

70−75

−21.4%

1440p
High Preset

Battlefield 5	65−70 +23.6%	55−60 −23.6%
Far Cry New Dawn	50−55 +20%	45−50 −20%

1440p
Ultra Preset

Assassin's Creed Odyssey	51 +27.5%	40−45 −27.5%
Assassin's Creed Valhalla	52 +30%	40−45 −30%
Call of Duty: Modern Warfare	40−45 +36.7%	30−33 −36.7%
Cyberpunk 2077	36 +20%	30−33 −20%
Far Cry 5	40−45 +36.7%	30−33 −36.7%
Forza Horizon 4	200−210 +26.3%	160−170 −26.3%
Hitman 3	45−50 +28.6%	35−40 −28.6%
Horizon Zero Dawn	98 +22.5%	80−85 −22.5%
Metro Exodus	85 +21.4%	70−75 −21.4%
Shadow of the Tomb Raider	100 +25%	80−85 −25%
The Witcher 3: Wild Hunt	62 +24%	50−55 −24%
Watch Dogs: Legion	180−190 +20.7%	150−160 −20.7%

1440p
Epic Preset

Red Dead Redemption 2

60−65
+22%

50−55

−22%

4K
High Preset

Battlefield 5	35−40 +29.6%	27−30 −29.6%
Far Cry New Dawn	27−30 +20.8%	24−27 −20.8%
Hitman 3	27−30 +20.8%	24−27 −20.8%
Horizon Zero Dawn	170−180 +21.4%	140−150 −21.4%
Metro Exodus	40−45 +25.7%	35−40 −25.7%
The Witcher 3: Wild Hunt	44 +25.7%	35−40 −25.7%

4K
Ultra Preset

Assassin's Creed Odyssey	29 +20.8%	24−27 −20.8%
Assassin's Creed Valhalla	27 +28.6%	21−24 −28.6%
Call of Duty: Modern Warfare	21−24 +22.2%	18−20 −22.2%
Cyberpunk 2077	14 +40%	10−11 −40%
Far Cry 5	20−22 +25%	16−18 −25%
Forza Horizon 4	74 +23.3%	60−65 −23.3%
Shadow of the Tomb Raider	52 +30%	40−45 −30%
Watch Dogs: Legion	21 +31.3%	16−18 −31.3%

4K
Epic Preset

Red Dead Redemption 2

30−35
+29.2%

24−27

−29.2%

This is how RX 6600M and L4 compete in popular games:

RX 6600M is 24% faster in 1080p
RX 6600M is 33% faster in 1440p
RX 6600M is 29% faster in 4K

Pros & cons summary

Performance score	35.88	29.91
Recency	31 May 2021	21 March 2023
Maximum RAM amount	8 GB	24 GB
Chip lithography	7 nm	5 nm
Power consumption (TDP)	100 Watt	72 Watt

RX 6600M has a 20% higher aggregate performance score.

L4, on the other hand, has an age advantage of 1 year, a 200% higher maximum VRAM amount, a 40% more advanced lithography process, and 38.9% lower power consumption.

The Radeon RX 6600M is our recommended choice as it beats the L4 in performance tests.

Be aware that Radeon RX 6600M is a notebook card while L4 is a workstation one.

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