Arc A580 vs GeForce GTX 660M Mac Edition

Place in the ranking	976	186
Place by popularity	not in top-100	55
Power efficiency	2.17	12.25
Architecture	Kepler (2012−2018)	Generation 12.7 (2022−2023)
GPU code name	GK107	DG2-512
Market segment	Laptop	Desktop
Release date	1 April 2013 (11 years ago)	10 October 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	384	3072
Core clock speed	950 MHz	1700 MHz
Boost clock speed	no data	2000 MHz
Number of transistors	1,270 million	21,700 million
Manufacturing process technology	28 nm	6 nm
Power consumption (TDP)	50 Watt	175 Watt
Texture fill rate	30.40	384.0
Floating-point processing power	0.7296 TFLOPS	12.29 TFLOPS
ROPs	16	96
TMUs	32	192
Tensor Cores	no data	384
Ray Tracing Cores	no data	24

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	MXM-B (3.0)	PCIe 4.0 x16
Width	no data	2-slot
Supplementary power connectors	None	2x 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	GDDR5	GDDR6
Maximum RAM amount	512 MB	8 GB
Memory bus width	128 Bit	256 Bit
Memory clock speed	1250 MHz	2000 MHz
Memory bandwidth	80 GB/s	512.0 GB/s

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 2.1, 3x DisplayPort 2.0
HDMI	-	+

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	4.6	4.6
OpenCL	1.2	3.0
Vulkan	1.1.126	1.3
CUDA	3.0	-

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	5−6 −1960%	103 +1960%
1440p	2−3 −2650%	55 +2650%
4K	1−2 −3200%	33 +3200%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2

+0%

Full HD
Medium Preset

Battlefield 5	90−95 +0%	90−95 +0%
Counter-Strike 2	83 +0%	83 +0%
Forza Horizon 4	258 +0%	258 +0%
Forza Horizon 5	80−85 +0%	80−85 +0%
Metro Exodus	134 +0%	134 +0%
Red Dead Redemption 2	60−65 +0%	60−65 +0%
Valorant	120−130 +0%	120−130 +0%

Full HD
High Preset

Battlefield 5	90−95 +0%	90−95 +0%
Counter-Strike 2	74 +0%	74 +0%
Dota 2	86 +0%	86 +0%
Far Cry 5	63 +0%	63 +0%
Fortnite	140−150 +0%	140−150 +0%
Forza Horizon 4	214 +0%	214 +0%
Forza Horizon 5	80−85 +0%	80−85 +0%
Grand Theft Auto V	86 +0%	86 +0%
Metro Exodus	97 +0%	97 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	170−180 +0%	170−180 +0%
Red Dead Redemption 2	60−65 +0%	60−65 +0%
The Witcher 3: Wild Hunt	100−110 +0%	100−110 +0%
Valorant	120−130 +0%	120−130 +0%
World of Tanks	270−280 +0%	270−280 +0%

Full HD
Ultra Preset

Battlefield 5	90−95 +0%	90−95 +0%
Counter-Strike 2	67 +0%	67 +0%
Far Cry 5	85−90 +0%	85−90 +0%
Forza Horizon 4	177 +0%	177 +0%
Forza Horizon 5	80−85 +0%	80−85 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	170−180 +0%	170−180 +0%
Valorant	120−130 +0%	120−130 +0%

1440p
High Preset

Counter-Strike 2	27−30 +0%	27−30 +0%
Dota 2	37 +0%	37 +0%
Grand Theft Auto V	37 +0%	37 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	170−180 +0%	170−180 +0%
Red Dead Redemption 2	27−30 +0%	27−30 +0%
World of Tanks	200−210 +0%	200−210 +0%

1440p
Ultra Preset

Battlefield 5	60−65 +0%	60−65 +0%
Far Cry 5	95−100 +0%	95−100 +0%
Forza Horizon 4	130 +0%	130 +0%
Forza Horizon 5	50−55 +0%	50−55 +0%
Metro Exodus	91 +0%	91 +0%
The Witcher 3: Wild Hunt	55 +0%	55 +0%
Valorant	85−90 +0%	85−90 +0%

4K
High Preset

Counter-Strike 2	14−16 +0%	14−16 +0%
Dota 2	38 +0%	38 +0%
Grand Theft Auto V	38 +0%	38 +0%
Metro Exodus	37 +0%	37 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	95−100 +0%	95−100 +0%
Red Dead Redemption 2	20−22 +0%	20−22 +0%
The Witcher 3: Wild Hunt	38 +0%	38 +0%

4K
Ultra Preset

Battlefield 5	30−35 +0%	30−35 +0%
Counter-Strike 2	10 +0%	10 +0%
Far Cry 5	40−45 +0%	40−45 +0%
Fortnite	40−45 +0%	40−45 +0%
Forza Horizon 4	73 +0%	73 +0%
Forza Horizon 5	27−30 +0%	27−30 +0%
Valorant	45−50 +0%	45−50 +0%

This is how GTX 660M Mac Edition and Arc A580 compete in popular games:

Arc A580 is 1960% faster in 1080p
Arc A580 is 2650% faster in 1440p
Arc A580 is 3200% faster in 4K

All in all, in popular games:

there's a draw in 56 tests (100%)

Pros & cons summary

Performance score	1.52	30.01
Recency	1 April 2013	10 October 2023
Maximum RAM amount	512 MB	8 GB
Chip lithography	28 nm	6 nm
Power consumption (TDP)	50 Watt	175 Watt

GTX 660M Mac Edition has 250% lower power consumption.

Arc A580, on the other hand, has a 1874.3% higher aggregate performance score, an age advantage of 10 years, a 1500% higher maximum VRAM amount, and a 366.7% more advanced lithography process.

The Arc A580 is our recommended choice as it beats the GeForce GTX 660M Mac Edition in performance tests.

Be aware that GeForce GTX 660M Mac Edition is a notebook card while Arc A580 is a desktop one.

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