Arc B580 vs GeForce 940MX

Place in the ranking	708	107
Place by popularity	81	not in top-100
Cost-effectiveness evaluation	no data	92.85
Power efficiency	11.83	14.64
Architecture	Maxwell (2014−2017)	Xe2 (2025)
GPU code name	GM107	BMG-G21
Market segment	Laptop	Desktop
Release date	28 June 2016 (8 years ago)	16 January 2025 (recently)
Launch price (MSRP)	no data	$249

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

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	512	2560
Core clock speed	795 MHz	2670 MHz
Boost clock speed	861 MHz	2670 MHz
Number of transistors	1,870 million	19,600 million
Manufacturing process technology	28 nm	5 nm
Power consumption (TDP)	23 Watt	190 Watt
Texture fill rate	27.55	427.2
Floating-point processing power	0.8817 TFLOPS	13.67 TFLOPS
ROPs	8	80
TMUs	32	160
Tensor Cores	no data	160
Ray Tracing Cores	no data	20

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
Bus support	PCI Express 3.0	no data
Interface	PCIe 3.0 x8	PCIe 4.0 x8
Length	no data	272 mm
Width	no data	2-slot
Supplementary power connectors	None	1x 8-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	DDR3, GDDR5	GDDR6
Maximum RAM amount	4 GB	12 GB
Memory bus width	64 Bit	192 Bit
Memory clock speed	1253 MHz	2375 MHz
Memory bandwidth	40.1 GB/s	456.0 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	1x HDMI 2.1a, 3x DisplayPort 2.1
HDMI	-	+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

GPU Boost	2.0	no data
Optimus	+	-
GameWorks	+	-

API and SDK compatibility

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

DirectX	12 (11_0)	12 Ultimate (12_2)
Shader Model	5.1	6.6
OpenGL	4.5	4.6
OpenCL	1.2	3.0
Vulkan	1.1.126	1.4
CUDA	+	-
DLSS	-	+

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.

GeForce 940MX 3.79

Arc B580 38.77
+923%

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.

GeForce 940MX 1517

Arc B580 15526
+923%

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	17 −635%	125 +635%
1440p	6−7 −1067%	70 +1067%
4K	4−5 −950%	42 +950%

Cost per frame, $

1080p	no data	1.99
1440p	no data	3.56
4K	no data	5.93

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	9−10 −1489%	143 +1489%
Cyberpunk 2077	9−10 −900%	90−95 +900%

Full HD
Medium Preset

Battlefield 5	10−12 −864%	100−110 +864%
Counter-Strike 2	9−10 −1200%	117 +1200%
Cyberpunk 2077	9−10 −900%	90−95 +900%
Forza Horizon 4	16−18 −900%	160−170 +900%
Forza Horizon 5	6−7 −1617%	100−110 +1617%
Metro Exodus	11 −773%	95−100 +773%
Red Dead Redemption 2	12−14 −508%	75−80 +508%
Valorant	9−10 −1700%	160−170 +1700%

Full HD
High Preset

Battlefield 5	11 −864%	100−110 +864%
Counter-Strike 2	9−10 −1056%	104 +1056%
Cyberpunk 2077	9−10 −900%	90−95 +900%
Dota 2	25 −460%	140 +460%
Far Cry 5	26 −165%	69 +165%
Fortnite	16 −994%	170−180 +994%
Forza Horizon 4	16−18 −900%	160−170 +900%
Forza Horizon 5	6−7 −1617%	100−110 +1617%
Grand Theft Auto V	13 −900%	130−140 +900%
Metro Exodus	9−10 −300%	36 +300%
PLAYERUNKNOWN'S BATTLEGROUNDS	30 −577%	200−210 +577%
Red Dead Redemption 2	12−14 −508%	75−80 +508%
The Witcher 3: Wild Hunt	12 −1100%	140−150 +1100%
Valorant	9−10 −1700%	160−170 +1700%
World of Tanks	58 −381%	270−280 +381%

Full HD
Ultra Preset

Battlefield 5	10−12 −864%	100−110 +864%
Counter-Strike 2	9−10 −956%	95 +956%
Cyberpunk 2077	9−10 −900%	90−95 +900%
Dota 2	46 −878%	450−500 +878%
Far Cry 5	21−24 −371%	95−100 +371%
Forza Horizon 4	16−18 −900%	160−170 +900%
Forza Horizon 5	6−7 −1617%	100−110 +1617%
PLAYERUNKNOWN'S BATTLEGROUNDS	10 −1930%	200−210 +1930%
Valorant	9−10 −1700%	160−170 +1700%

1440p
High Preset

Dota 2	3−4 −2200%	69 +2200%
Grand Theft Auto V	3−4 −900%	30−33 +900%
PLAYERUNKNOWN'S BATTLEGROUNDS	27−30 −900%	270−280 +900%
Red Dead Redemption 2	3−4 −1233%	40−45 +1233%
World of Tanks	27−30 −814%	250−260 +814%

1440p
Ultra Preset

Battlefield 5	5−6 −1380%	70−75 +1380%
Cyberpunk 2077	4−5 −900%	40−45 +900%
Far Cry 5	9−10 −1344%	130−140 +1344%
Forza Horizon 4	5−6 −900%	50−55 +900%
Forza Horizon 5	5−6 −1240%	65−70 +1240%
Metro Exodus	0−1	85−90
The Witcher 3: Wild Hunt	7−8 −900%	70−75 +900%
Valorant	12−14 −967%	120−130 +967%

4K
High Preset

Dota 2	16−18 −388%	78 +388%
Grand Theft Auto V	16−18 −900%	160−170 +900%
PLAYERUNKNOWN'S BATTLEGROUNDS	10−12 −1091%	130−140 +1091%
Red Dead Redemption 2	2−3 −1200%	24−27 +1200%
The Witcher 3: Wild Hunt	16−18 −900%	160−170 +900%

4K
Ultra Preset

Battlefield 5	3−4 −1467%	45−50 +1467%
Cyberpunk 2077	2−3 −800%	18−20 +800%
Dota 2	16−18 −900%	160−170 +900%
Far Cry 5	4−5 −1400%	60−65 +1400%
Fortnite	3−4 −1833%	55−60 +1833%
Forza Horizon 4	2−3 −800%	18−20 +800%
Forza Horizon 5	2−3 −1800%	35−40 +1800%
Valorant	4−5 −1600%	65−70 +1600%

1440p
High Preset

Counter-Strike 2

24−27

+0%

24−27

+0%

4K
High Preset

Counter-Strike 2	18−20 +0%	18−20 +0%
Metro Exodus	46 +0%	46 +0%

4K
Ultra Preset

Counter-Strike 2

+0%

This is how GeForce 940MX and Arc B580 compete in popular games:

Arc B580 is 635% faster in 1080p
Arc B580 is 1067% faster in 1440p
Arc B580 is 950% faster in 4K

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

in Dota 2, with 1440p resolution and the High Preset, the Arc B580 is 2200% faster.

All in all, in popular games:

Arc B580 is ahead in 40 tests (91%)
there's a draw in 4 tests (9%)

Pros & cons summary

Performance score	3.79	38.77
Recency	28 June 2016	16 January 2025
Maximum RAM amount	4 GB	12 GB
Chip lithography	28 nm	5 nm
Power consumption (TDP)	23 Watt	190 Watt

GeForce 940MX has 726.1% lower power consumption.

Arc B580, on the other hand, has a 923% higher aggregate performance score, an age advantage of 8 years, a 200% higher maximum VRAM amount, and a 460% more advanced lithography process.

The Arc B580 is our recommended choice as it beats the GeForce 940MX in performance tests.

Be aware that GeForce 940MX is a notebook card while Arc B580 is a desktop one.