Arc B580 vs Iris Plus Graphics 640
Aggregate performance score
We've compared Iris Plus Graphics 640 with Arc B580, including specs and performance data.
Arc B580 outperforms Iris Plus Graphics 640 by a whopping 941% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 712 | 107 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 93.02 |
| Power efficiency | 17.80 | 14.63 |
| Architecture | Generation 9.5 (2016−2020) | Xe2 (2025) |
| GPU code name | Kaby Lake GT3e | BMG-G21 |
| Market segment | Laptop | Desktop |
| Release date | 3 January 2017 (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.
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 | 2560 |
| Core clock speed | 300 MHz | 2670 MHz |
| Boost clock speed | 1100 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 | 52.80 | 427.2 |
| Floating-point processing power | 0.8448 TFLOPS | 13.67 TFLOPS |
| ROPs | 6 | 80 |
| TMUs | 48 | 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 | 32 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 and SDK 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 |
| 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.
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.
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 | 19
−558%
| 125
+558%
|
| 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 | 8−9
−1100%
|
95−100
+1100%
|
| Red Dead Redemption 2 | 12−14
−500%
|
75−80
+500%
|
| Valorant | 8−9
−1913%
|
160−170
+1913%
|
Full HD
High Preset
| Battlefield 5 | 10−12
−864%
|
100−110
+864%
|
| Counter-Strike 2 | 9−10
−1056%
|
104
+1056%
|
| Cyberpunk 2077 | 9−10
−900%
|
90−95
+900%
|
| Dota 2 | 13
−977%
|
140
+977%
|
| Far Cry 5 | 20−22
−245%
|
69
+245%
|
| Fortnite | 21−24
−691%
|
170−180
+691%
|
| Forza Horizon 4 | 16−18
−900%
|
160−170
+900%
|
| Forza Horizon 5 | 6−7
−1617%
|
100−110
+1617%
|
| Grand Theft Auto V | 6
−900%
|
60−65
+900%
|
| Metro Exodus | 8−9
−350%
|
36
+350%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 33
−512%
|
200−210
+512%
|
| Red Dead Redemption 2 | 12−14
−500%
|
75−80
+500%
|
| The Witcher 3: Wild Hunt | 12−14
−1008%
|
140−150
+1008%
|
| Valorant | 8−9
−1913%
|
160−170
+1913%
|
| World of Tanks | 65−70
−323%
|
270−280
+323%
|
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 | 21
−900%
|
210−220
+900%
|
| Far Cry 5 | 20−22
−395%
|
95−100
+395%
|
| Forza Horizon 4 | 16−18
−900%
|
160−170
+900%
|
| Forza Horizon 5 | 6−7
−1617%
|
100−110
+1617%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 30−35
−494%
|
200−210
+494%
|
| Valorant | 8−9
−1913%
|
160−170
+1913%
|
1440p
High Preset
| Dota 2 | 3−4
−2200%
|
69
+2200%
|
| Grand Theft Auto V | 3−4
−900%
|
30−33
+900%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 24−27
−938%
|
270−280
+938%
|
| Red Dead Redemption 2 | 3−4
−1233%
|
40−45
+1233%
|
| World of Tanks | 27−30
−848%
|
250−260
+848%
|
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 | 10−12
−1064%
|
120−130
+1064%
|
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 | 14
+0%
|
14
+0%
|
This is how Iris Plus Graphics 640 and Arc B580 compete in popular games:
- Arc B580 is 558% 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 | 3.75 | 39.05 |
| Recency | 3 January 2017 | 16 January 2025 |
| Maximum RAM amount | 32 GB | 12 GB |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 190 Watt |
Iris Plus Graphics 640 has a 166.7% higher maximum VRAM amount, and 1166.7% lower power consumption.
Arc B580, on the other hand, has a 941.3% higher aggregate performance score, an age advantage of 8 years, and a 180% more advanced lithography process.
The Arc B580 is our recommended choice as it beats the Iris Plus Graphics 640 in performance tests.
Be aware that Iris Plus Graphics 640 is a notebook card while Arc B580 is a desktop one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
