L40 vs Radeon HD 6790

Place in the ranking	758	61
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.70	no data
Power efficiency	1.92	13.74
Architecture	TeraScale 2 (2009−2015)	Ada Lovelace (2022−2024)
GPU code name	Barts	AD102
Market segment	Desktop	Workstation
Release date	4 April 2011 (14 years ago)	13 October 2022 (3 years ago)
Launch price (MSRP)	$149	no data

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

no data

Performance to price scatter graph

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	800	18176
Core clock speed	840 MHz	735 MHz
Boost clock speed	no data	2490 MHz
Number of transistors	1,700 million	76,300 million
Manufacturing process technology	40 nm	4 nm
Power consumption (TDP)	150 Watt	300 Watt
Texture fill rate	33.60	1,414
Floating-point processing power	1.344 TFLOPS	90.52 TFLOPS
ROPs	16	192
TMUs	40	568
Tensor Cores	no data	568
Ray Tracing Cores	no data	142
L1 Cache	160 KB	17.8 MB
L2 Cache	512 KB	96 MB

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).

Interface	PCIe 2.0 x16	PCIe 4.0 x16
Length	198 mm	267 mm
Width	2-slot	2-slot
Supplementary power connectors	2x 6-pin	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	GDDR5	GDDR6
Maximum RAM amount	1 GB	48 GB
Memory bus width	256 Bit	384 Bit
Memory clock speed	1050 MHz	2250 MHz
Memory bandwidth	134.4 GB/s	864.0 GB/s
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	2x DVI, 1x HDMI, 1x DisplayPort	4x DisplayPort 1.4a
HDMI	+	-

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	11.2 (11_0)	12 Ultimate (12_2)
Shader Model	5.0	6.7
OpenGL	4.4	4.6
OpenCL	1.2	3.0
Vulkan	N/A	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.

HD 6790 3.73

L40 53.47
+1334%

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.

HD 6790 1567
Samples: 883

L40 22466
+1334%

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:

900p	52 −1246%	700−750 +1246%
Full HD	61 −1293%	850−900 +1293%

Cost per frame, $

1080p

2.44

no data

FPS performance in popular games

Full HD
Low

Counter-Strike 2	14−16 −1300%	210−220 +1300%
Cyberpunk 2077	8−9 −1275%	110−120 +1275%

Full HD
Medium

Battlefield 5	14−16 −1329%	200−210 +1329%
Counter-Strike 2	14−16 −1300%	210−220 +1300%
Cyberpunk 2077	8−9 −1275%	110−120 +1275%
Escape from Tarkov	14−16 −1329%	200−210 +1329%
Far Cry 5	10−12 −1264%	150−160 +1264%
Fortnite	21−24 −1264%	300−310 +1264%
Forza Horizon 4	18−20 −1289%	250−260 +1289%
Forza Horizon 5	10−11 −1300%	140−150 +1300%
PLAYERUNKNOWN'S BATTLEGROUNDS	16−18 −1275%	220−230 +1275%
Valorant	50−55 −1315%	750−800 +1315%

Full HD
High

Battlefield 5	14−16 −1329%	200−210 +1329%
Counter-Strike 2	14−16 −1300%	210−220 +1300%
Counter-Strike: Global Offensive	65−70 −1297%	950−1000 +1297%
Cyberpunk 2077	8−9 −1275%	110−120 +1275%
Dota 2	30−35 −1224%	450−500 +1224%
Escape from Tarkov	14−16 −1329%	200−210 +1329%
Far Cry 5	10−12 −1264%	150−160 +1264%
Fortnite	21−24 −1264%	300−310 +1264%
Forza Horizon 4	18−20 −1289%	250−260 +1289%
Forza Horizon 5	10−11 −1300%	140−150 +1300%
Grand Theft Auto V	10−12 −1264%	150−160 +1264%
Metro Exodus	7−8 −1329%	100−105 +1329%
PLAYERUNKNOWN'S BATTLEGROUNDS	16−18 −1275%	220−230 +1275%
The Witcher 3: Wild Hunt	12−14 −1317%	170−180 +1317%
Valorant	50−55 −1315%	750−800 +1315%

Full HD
Ultra

Battlefield 5	14−16 −1329%	200−210 +1329%
Cyberpunk 2077	8−9 −1275%	110−120 +1275%
Dota 2	30−35 −1224%	450−500 +1224%
Escape from Tarkov	14−16 −1329%	200−210 +1329%
Far Cry 5	10−12 −1264%	150−160 +1264%
Forza Horizon 4	18−20 −1289%	250−260 +1289%
PLAYERUNKNOWN'S BATTLEGROUNDS	16−18 −1275%	220−230 +1275%
The Witcher 3: Wild Hunt	12−14 −1317%	170−180 +1317%
Valorant	50−55 −1315%	750−800 +1315%

Full HD
Epic

Fortnite

21−24

−1264%

300−310
+1264%

1440p
High

Counter-Strike 2	8−9 −1275%	110−120 +1275%
Counter-Strike: Global Offensive	27−30 −1279%	400−450 +1279%
Grand Theft Auto V	2−3 −1250%	27−30 +1250%
Metro Exodus	2−3 −1250%	27−30 +1250%
PLAYERUNKNOWN'S BATTLEGROUNDS	30−35 −1190%	400−450 +1190%
Valorant	35−40 −1310%	550−600 +1310%

1440p
Ultra

Cyberpunk 2077	3−4 −1233%	40−45 +1233%
Escape from Tarkov	7−8 −1329%	100−105 +1329%
Far Cry 5	7−8 −1329%	100−105 +1329%
Forza Horizon 4	9−10 −1233%	120−130 +1233%
The Witcher 3: Wild Hunt	5−6 −1300%	70−75 +1300%

1440p
Epic

Fortnite

7−8
−1329%

100−105

+1329%

4K
High

Grand Theft Auto V	14−16 −1300%	210−220 +1300%
Valorant	18−20 −1321%	270−280 +1321%

4K
Ultra

Cyberpunk 2077	1−2 −1300%	14−16 +1300%
Dota 2	12−14 −1317%	170−180 +1317%
Escape from Tarkov	2−3 −1250%	27−30 +1250%
Far Cry 5	3−4 −1233%	40−45 +1233%
Forza Horizon 4	4−5 −1275%	55−60 +1275%
PLAYERUNKNOWN'S BATTLEGROUNDS	4−5 −1275%	55−60 +1275%

4K
Epic

Fortnite

4−5

−1275%

55−60
+1275%

This is how HD 6790 and L40 compete in popular games:

L40 is 1246% faster in 900p
L40 is 1293% faster in 1080p

Pros & cons summary

Performance score	3.73	53.47
Recency	4 April 2011	13 October 2022
Maximum RAM amount	1 GB	48 GB
Chip lithography	40 nm	4 nm
Power consumption (TDP)	150 Watt	300 Watt

HD 6790 has 100% lower power consumption.

L40, on the other hand, has a 1333.5% higher aggregate performance score, an age advantage of 11 years, a 4700% higher maximum VRAM amount, and a 900% more advanced lithography process.

The L40 is our recommended choice as it beats the Radeon HD 6790 in performance tests.

Be aware that Radeon HD 6790 is a desktop graphics card while L40 is a workstation one.