Arc B580 vs Iris Pro Graphics P580

Place in the ranking	620	101
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	93.61
Power efficiency	24.09	14.76
Architecture	Generation 9.0 (2015−2016)	Xe2 (2025)
GPU code name	Skylake GT4e	BMG-G21
Market segment	Laptop	Desktop
Release date	1 September 2015 (9 years ago)	16 January 2025 (recently)
Launch price (MSRP)	no data	$249

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	576	2560
Core clock speed	350 MHz	2670 MHz
Boost clock speed	1050 MHz	2670 MHz
Number of transistors	189 million	19,600 million
Manufacturing process technology	14 nm+	5 nm
Power consumption (TDP)	15 Watt	190 Watt
Texture fill rate	75.60	427.2
Floating-point processing power	1.21 TFLOPS	13.67 TFLOPS
ROPs	9	80
TMUs	72	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).

Interface	Ring Bus	PCIe 4.0 x8
Length	no data	272 mm
Width	no data	2-slot
Supplementary power connectors	no data	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	DDR3L/LPDDR3/DDR4	GDDR6
Maximum RAM amount	64 GB	12 GB
Memory bus width	System Shared	192 Bit
Memory clock speed	System Shared	2375 MHz
Memory bandwidth	no data	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	Portable Device Dependent	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.

Quick Sync

no data

API compatibility

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

DirectX	12 (12_1)	12 Ultimate (12_2)
Shader Model	6.4	6.6
OpenGL	4.6	4.6
OpenCL	3.0	3.0
Vulkan	1.3	1.4

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.

Iris Pro Graphics P580 5.25

Arc B580 40.74
+676%

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.

Iris Pro Graphics P580 2020

Arc B580 15662
+675%

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	14−16 −786%	124 +786%
1440p	8−9 −763%	69 +763%
4K	5−6 −760%	43 +760%

Cost per frame, $

1080p	no data	2.01
1440p	no data	3.61
4K	no data	5.79

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	12−14 −1000%	143 +1000%
Cyberpunk 2077	10−12 −673%	85−90 +673%
Elden Ring	12−14 −669%	100−105 +669%

Full HD
Medium Preset

Battlefield 5	16−18 −563%	100−110 +563%
Counter-Strike 2	12−14 −800%	117 +800%
Cyberpunk 2077	10−12 −673%	85−90 +673%
Forza Horizon 4	21−24 −673%	170−180 +673%
Metro Exodus	12−14 −646%	95−100 +646%
Red Dead Redemption 2	16−18 −394%	75−80 +394%
Valorant	12−14 −1162%	160−170 +1162%

Full HD
High Preset

Battlefield 5	16−18 −563%	100−110 +563%
Counter-Strike 2	12−14 −700%	104 +700%
Cyberpunk 2077	10−12 −673%	85−90 +673%
Dota 2	16−18 −724%	140 +724%
Elden Ring	12−14 −1008%	140−150 +1008%
Far Cry 5	24−27 −176%	69 +176%
Fortnite	30−35 −468%	170−180 +468%
Forza Horizon 4	21−24 −673%	170−180 +673%
Grand Theft Auto V	16−18 −665%	130−140 +665%
Metro Exodus	12−14 −177%	36 +177%
PLAYERUNKNOWN'S BATTLEGROUNDS	40−45 −361%	200−210 +361%
Red Dead Redemption 2	16−18 −394%	75−80 +394%
The Witcher 3: Wild Hunt	16−18 −759%	140−150 +759%
Valorant	12−14 −1162%	160−170 +1162%
World of Tanks	85−90 −228%	270−280 +228%

Full HD
Ultra Preset

Battlefield 5	16−18 −563%	100−110 +563%
Counter-Strike 2	12−14 −631%	95 +631%
Cyberpunk 2077	10−12 −673%	85−90 +673%
Dota 2	16−18 −665%	130−140 +665%
Far Cry 5	24−27 −296%	95−100 +296%
Forza Horizon 4	21−24 −673%	170−180 +673%
PLAYERUNKNOWN'S BATTLEGROUNDS	40−45 −361%	200−210 +361%
Valorant	12−14 −1162%	160−170 +1162%

1440p
High Preset

Dota 2	4−5 −1625%	69 +1625%
Elden Ring	6−7 −1300%	80−85 +1300%
Grand Theft Auto V	5−6 −600%	35−40 +600%
PLAYERUNKNOWN'S BATTLEGROUNDS	30−35 −665%	260−270 +665%
Red Dead Redemption 2	4−5 −925%	40−45 +925%
World of Tanks	35−40 −579%	250−260 +579%

1440p
Ultra Preset

Battlefield 5	8−9 −825%	70−75 +825%
Counter-Strike 2	9−10 −578%	61 +578%
Cyberpunk 2077	4−5 −650%	30−33 +650%
Far Cry 5	10−12 −1100%	130−140 +1100%
Forza Horizon 4	8−9 −650%	60−65 +650%
Metro Exodus	5−6 −1640%	85−90 +1640%
The Witcher 3: Wild Hunt	6−7 −650%	45−50 +650%
Valorant	14−16 −829%	130−140 +829%

4K
High Preset

Dota 2	16−18 −359%	78 +359%
Elden Ring	3−4 −1233%	40−45 +1233%
Grand Theft Auto V	16−18 −650%	120−130 +650%
Metro Exodus	1−2 −4500%	46 +4500%
PLAYERUNKNOWN'S BATTLEGROUNDS	14−16 −787%	130−140 +787%
Red Dead Redemption 2	3−4 −800%	27−30 +800%
The Witcher 3: Wild Hunt	16−18 −650%	120−130 +650%

4K
Ultra Preset

Battlefield 5	4−5 −1100%	45−50 +1100%
Cyberpunk 2077	2−3 −600%	14−16 +600%
Dota 2	16−18 −665%	130−140 +665%
Far Cry 5	6−7 −917%	60−65 +917%
Fortnite	4−5 −1375%	55−60 +1375%
Forza Horizon 4	4−5 −650%	30−33 +650%
Valorant	5−6 −1280%	65−70 +1280%

4K
High Preset

Counter-Strike 2

40−45

+0%

40−45

+0%

4K
Ultra Preset

Counter-Strike 2

40−45

+0%

40−45

+0%

This is how Iris Pro Graphics P580 and Arc B580 compete in popular games:

Arc B580 is 786% faster in 1080p
Arc B580 is 763% faster in 1440p
Arc B580 is 760% faster in 4K

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

in Metro Exodus, with 4K resolution and the High Preset, the Arc B580 is 4500% faster.

All in all, in popular games:

Arc B580 is ahead in 41 test (95%)
there's a draw in 2 tests (5%)

Pros & cons summary

Performance score	5.25	40.74
Recency	1 September 2015	16 January 2025
Maximum RAM amount	64 GB	12 GB
Chip lithography	14 nm	5 nm
Power consumption (TDP)	15 Watt	190 Watt

Iris Pro Graphics P580 has a 433.3% higher maximum VRAM amount, and 1166.7% lower power consumption.

Arc B580, on the other hand, has a 676% higher aggregate performance score, an age advantage of 9 years, and a 180% more advanced lithography process.

The Arc B580 is our recommended choice as it beats the Iris Pro Graphics P580 in performance tests.

Be aware that Iris Pro Graphics P580 is a notebook card while Arc B580 is a desktop one.

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