L40 vs Radeon RX 6600M

Place in the ranking	174	61
Place by popularity	not in top-100	not in top-100
Power efficiency	25.58	13.75
Architecture	RDNA 2.0 (2020−2025)	Ada Lovelace (2022−2024)
GPU code name	Navi 23	AD102
Market segment	Laptop	Workstation
Release date	31 May 2021 (4 years ago)	13 October 2022 (3 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	18176
Core clock speed	2068 MHz	735 MHz
Boost clock speed	2416 MHz	2490 MHz
Number of transistors	11,060 million	76,300 million
Manufacturing process technology	7 nm	4 nm
Power consumption (TDP)	100 Watt	300 Watt
Texture fill rate	270.6	1,414
Floating-point processing power	8.659 TFLOPS	90.52 TFLOPS
ROPs	64	192
TMUs	112	568
Tensor Cores	no data	568
Ray Tracing Cores	28	142
L0 Cache	448 KB	no data
L1 Cache	512 KB	17.8 MB
L2 Cache	2 MB	96 MB
L3 Cache	32 MB	no data

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	267 mm
Width	no data	2-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	GDDR6
Maximum RAM amount	8 GB	48 GB
Memory bus width	128 Bit	384 Bit
Memory clock speed	1750 MHz	2250 MHz
Memory bandwidth	224.0 GB/s	864.0 GB/s
Shared memory	-	-
Resizable BAR	+	+

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors

No outputs

4x DisplayPort 1.4a

API and SDK support

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
DLSS	-	+

Synthetic benchmarks

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.

RX 6600M 33.30

L40 53.72
+61.3%

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 13928
Samples: 851

L40 22466
+61.3%

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	100 −60%	160−170 +60%
1440p	54 −57.4%	85−90 +57.4%
4K	30 −50%	45−50 +50%

FPS performance in popular games

Full HD
Low

Counter-Strike 2	180−190 −58.7%	300−310 +58.7%
Cyberpunk 2077	107 −58.9%	170−180 +58.9%

Full HD
Medium

Battlefield 5	120−130 −57%	190−200 +57%
Counter-Strike 2	180−190 −58.7%	300−310 +58.7%
Cyberpunk 2077	83 −56.6%	130−140 +56.6%
Escape from Tarkov	110−120 −55.2%	180−190 +55.2%
Far Cry 5	116 −55.2%	180−190 +55.2%
Fortnite	150−160 −60%	240−250 +60%
Forza Horizon 4	202 −48.5%	300−310 +48.5%
Forza Horizon 5	121 −57%	190−200 +57%
PLAYERUNKNOWN'S BATTLEGROUNDS	130−140 −55.6%	210−220 +55.6%
Valorant	200−210 −45.6%	300−310 +45.6%

Full HD
High

Battlefield 5	120−130 −57%	190−200 +57%
Counter-Strike 2	180−190 −58.7%	300−310 +58.7%
Counter-Strike: Global Offensive	270−280 −43.9%	400−450 +43.9%
Cyberpunk 2077	69 −59.4%	110−120 +59.4%
Dota 2	114 −57.9%	180−190 +57.9%
Escape from Tarkov	110−120 −55.2%	180−190 +55.2%
Far Cry 5	108 −57.4%	170−180 +57.4%
Fortnite	150−160 −60%	240−250 +60%
Forza Horizon 4	199 −50.8%	300−310 +50.8%
Forza Horizon 5	114 −57.9%	180−190 +57.9%
Grand Theft Auto V	116 −55.2%	180−190 +55.2%
Metro Exodus	80 −50%	120−130 +50%
PLAYERUNKNOWN'S BATTLEGROUNDS	130−140 −55.6%	210−220 +55.6%
The Witcher 3: Wild Hunt	142 −54.9%	220−230 +54.9%
Valorant	200−210 −45.6%	300−310 +45.6%

Full HD
Ultra

Battlefield 5	120−130 −57%	190−200 +57%
Cyberpunk 2077	61 −55.7%	95−100 +55.7%
Dota 2	104 −53.8%	160−170 +53.8%
Escape from Tarkov	110−120 −55.2%	180−190 +55.2%
Far Cry 5	101 −58.4%	160−170 +58.4%
Forza Horizon 4	168 −60.7%	270−280 +60.7%
PLAYERUNKNOWN'S BATTLEGROUNDS	130−140 −55.6%	210−220 +55.6%
The Witcher 3: Wild Hunt	85 −52.9%	130−140 +52.9%
Valorant	144 −59.7%	230−240 +59.7%

Full HD
Epic

Fortnite

150−160

−60%

240−250
+60%

1440p
High

Counter-Strike 2	80−85 −60.5%	130−140 +60.5%
Counter-Strike: Global Offensive	230−240 −48.3%	350−400 +48.3%
Grand Theft Auto V	61 −55.7%	95−100 +55.7%
Metro Exodus	47 −59.6%	75−80 +59.6%
PLAYERUNKNOWN'S BATTLEGROUNDS	170−180 −60%	280−290 +60%
Valorant	240−250 −45.8%	350−400 +45.8%

1440p
Ultra

Battlefield 5	85−90 −57.3%	140−150 +57.3%
Cyberpunk 2077	39 −53.8%	60−65 +53.8%
Escape from Tarkov	80−85 −50%	120−130 +50%
Far Cry 5	90 −55.6%	140−150 +55.6%
Forza Horizon 4	128 −56.3%	200−210 +56.3%
The Witcher 3: Wild Hunt	62 −61.3%	100−105 +61.3%

1440p
Epic

Fortnite

85−90
−60.9%

140−150

+60.9%

4K
High

Counter-Strike 2	35−40 −48.6%	55−60 +48.6%
Grand Theft Auto V	58 −55.2%	90−95 +55.2%
Metro Exodus	28 −60.7%	45−50 +60.7%
The Witcher 3: Wild Hunt	44 −59.1%	70−75 +59.1%
Valorant	200−210 −46.3%	300−310 +46.3%

4K
Ultra

Battlefield 5	50−55 −60.4%	85−90 +60.4%
Counter-Strike 2	35−40 −48.6%	55−60 +48.6%
Cyberpunk 2077	19 −57.9%	30−33 +57.9%
Dota 2	80 −50%	120−130 +50%
Escape from Tarkov	35−40 −53.8%	60−65 +53.8%
Far Cry 5	44 −59.1%	70−75 +59.1%
Forza Horizon 4	74 −48.6%	110−120 +48.6%
PLAYERUNKNOWN'S BATTLEGROUNDS	40−45 −54.8%	65−70 +54.8%

4K
Epic

Fortnite

40−45

−58.5%

65−70
+58.5%

This is how RX 6600M and L40 compete in popular games:

L40 is 60% faster in 1080p
L40 is 57% faster in 1440p
L40 is 50% faster in 4K

Pros & cons summary

Performance score	33.30	53.72
Recency	31 May 2021	13 October 2022
Maximum RAM amount	8 GB	48 GB
Chip lithography	7 nm	4 nm
Power consumption (TDP)	100 Watt	300 Watt

RX 6600M has 200% lower power consumption.

L40, on the other hand, has a 61.3% higher aggregate performance score, an age advantage of 1 year, a 500% higher maximum VRAM amount, and a 75% more advanced lithography process.

The L40 is our recommended choice as it beats the Radeon RX 6600M in performance tests.

Be aware that Radeon RX 6600M is a notebook graphics card while L40 is a workstation one.