Arc B580 vs Radeon HD 6620G

Place in the ranking	1129	100
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	93.77
Power efficiency	1.75	14.79
Architecture	TeraScale 2 (2009−2015)	Xe2 (2025)
GPU code name	Sumo	BMG-G21
Market segment	Laptop	Desktop
Release date	7 December 2011 (13 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	400	2560
Core clock speed	444 MHz	2670 MHz
Boost clock speed	no data	2670 MHz
Number of transistors	1,178 million	19,600 million
Manufacturing process technology	32 nm	5 nm
Power consumption (TDP)	35 Watt	190 Watt
Texture fill rate	8.880	427.2
Floating-point processing power	0.3552 TFLOPS	13.67 TFLOPS
ROPs	8	80
TMUs	20	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
Interface	IGP	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	System Shared	GDDR6
Maximum RAM amount	System Shared	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	No outputs	1x HDMI 2.1a, 3x DisplayPort 2.1
HDMI	-	+

API compatibility

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	6.6
OpenGL	4.4	4.6
OpenCL	1.2	3.0
Vulkan	N/A	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.

HD 6620G 0.89

Arc B580 40.81
+4485%

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 6620G 341

Arc B580 15689
+4501%

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	13 −862%	125 +862%
1440p	1−2 −6800%	69 +6800%
4K	0−1	43

Cost per frame, $

1080p	no data	1.99
1440p	no data	3.61
4K	no data	5.79

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	9−10 −1489%	143 +1489%
Cyberpunk 2077	3−4 −4233%	130−140 +4233%

Full HD
Medium Preset

Counter-Strike 2	9−10 −1200%	117 +1200%
Cyberpunk 2077	3−4 −4233%	130−140 +4233%
Forza Horizon 4	7−8 −4186%	300−310 +4186%
Red Dead Redemption 2	5−6 −1480%	75−80 +1480%

Full HD
High Preset

Counter-Strike 2	9−10 −1056%	104 +1056%
Cyberpunk 2077	3−4 −4233%	130−140 +4233%
Far Cry 5	9−10 −667%	69 +667%
Fortnite	3−4 −5767%	170−180 +5767%
Forza Horizon 4	7−8 −4186%	300−310 +4186%
PLAYERUNKNOWN'S BATTLEGROUNDS	10−12 −1745%	200−210 +1745%
Red Dead Redemption 2	5−6 −1480%	75−80 +1480%
The Witcher 3: Wild Hunt	6−7 −2333%	140−150 +2333%
World of Tanks	21−24 −1168%	270−280 +1168%

Full HD
Ultra Preset

Counter-Strike 2	9−10 −956%	95 +956%
Cyberpunk 2077	3−4 −4233%	130−140 +4233%
Far Cry 5	9−10 −1000%	95−100 +1000%
Forza Horizon 4	7−8 −4186%	300−310 +4186%
PLAYERUNKNOWN'S BATTLEGROUNDS	10−12 −1745%	200−210 +1745%

1440p
High Preset

PLAYERUNKNOWN'S BATTLEGROUNDS	5−6 −4300%	220−230 +4300%
World of Tanks	4−5 −6350%	250−260 +6350%

1440p
Ultra Preset

Counter-Strike 2	9−10 −578%	61 +578%
Cyberpunk 2077	2−3 −4400%	90−95 +4400%
Far Cry 5	5−6 −2540%	130−140 +2540%
The Witcher 3: Wild Hunt	2−3 −4400%	90−95 +4400%
Valorant	6−7 −2067%	130−140 +2067%

4K
High Preset

Dota 2	14−16 −420%	78 +420%
Grand Theft Auto V	14−16 −4233%	650−700 +4233%
PLAYERUNKNOWN'S BATTLEGROUNDS	2−3 −6550%	130−140 +6550%
Red Dead Redemption 2	0−1	27−30
The Witcher 3: Wild Hunt	14−16 −4233%	650−700 +4233%

4K
Ultra Preset

Battlefield 5	1−2 −4700%	45−50 +4700%
Cyberpunk 2077	1−2 −4400%	45−50 +4400%
Dota 2	14−16 −4233%	650−700 +4233%
Valorant	1−2 −6800%	65−70 +6800%

Full HD
Medium Preset

Battlefield 5	100−110 +0%	100−110 +0%
Metro Exodus	95−100 +0%	95−100 +0%
Valorant	160−170 +0%	160−170 +0%

Full HD
High Preset

Battlefield 5	100−110 +0%	100−110 +0%
Dota 2	140 +0%	140 +0%
Elden Ring	140−150 +0%	140−150 +0%
Metro Exodus	36 +0%	36 +0%
Valorant	160−170 +0%	160−170 +0%

Full HD
Ultra Preset

Battlefield 5	100−110 +0%	100−110 +0%
Valorant	160−170 +0%	160−170 +0%

1440p
High Preset

Dota 2	69 +0%	69 +0%
Elden Ring	80−85 +0%	80−85 +0%
Red Dead Redemption 2	40−45 +0%	40−45 +0%

1440p
Ultra Preset

Battlefield 5	70−75 +0%	70−75 +0%
Metro Exodus	85−90 +0%	85−90 +0%

4K
High Preset

Counter-Strike 2	40−45 +0%	40−45 +0%
Elden Ring	40−45 +0%	40−45 +0%
Metro Exodus	46 +0%	46 +0%

4K
Ultra Preset

Counter-Strike 2	40−45 +0%	40−45 +0%
Far Cry 5	60−65 +0%	60−65 +0%
Fortnite	55−60 +0%	55−60 +0%

This is how HD 6620G and Arc B580 compete in popular games:

Arc B580 is 862% faster in 1080p
Arc B580 is 6800% faster in 1440p

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

in Valorant, with 4K resolution and the Ultra Preset, the Arc B580 is 6800% faster.

All in all, in popular games:

Arc B580 is ahead in 21 test (50%)
there's a draw in 21 test (50%)

Pros & cons summary

Performance score	0.89	40.81
Recency	7 December 2011	16 January 2025
Chip lithography	32 nm	5 nm
Power consumption (TDP)	35 Watt	190 Watt

HD 6620G has 442.9% lower power consumption.

Arc B580, on the other hand, has a 4485.4% higher aggregate performance score, an age advantage of 13 years, and a 540% more advanced lithography process.

The Arc B580 is our recommended choice as it beats the Radeon HD 6620G in performance tests.

Be aware that Radeon HD 6620G 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.