Arc B580 vs GeForce 945M

VS

Aggregate performance score

We've compared GeForce 945M with Arc B580, including specs and performance data.

GeForce 945M
2015
2 GB DDR3, 75 Watt
5.47

Arc B580 outperforms 945M by a whopping 630% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking608108
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data92.93
Power efficiency5.0014.41
ArchitectureMaxwell (2014−2017)Xe2 (2024)
GPU code nameGM107BMG-G21
Market segmentLaptopDesktop
Release date27 October 2015 (9 years ago)12 December 2024 (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 cores6402560
Core clock speed928 MHz2670 MHz
Boost clock speed1020 MHz2670 MHz
Number of transistors1,870 million19,600 million
Manufacturing process technology28 nm5 nm
Power consumption (TDP)75 Watt190 Watt
Texture fill rate40.80427.2
Floating-point processing power1.306 TFLOPS13.67 TFLOPS
ROPs1680
TMUs40160
Tensor Coresno data160
Ray Tracing Coresno data20

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 sizemedium sizedno data
Bus supportPCI Express 3.0no data
InterfaceMXM-B (3.0)PCIe 4.0 x8
Lengthno data272 mm
Widthno data2-slot
Supplementary power connectorsNone1x 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 typeDDR3GDDR6
Maximum RAM amount2 GB12 GB
Memory bus width128 Bit192 Bit
Memory clock speed900 MHz2375 MHz
Memory bandwidth28.8 GB/s456.0 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 ConnectorsNo outputs1x 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 Boost2.0no data
Optimus+-
GameWorks+-

API compatibility

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

DirectX12 (11_0)12 Ultimate (12_2)
Shader Model5.16.6
OpenGL4.54.6
OpenCL1.23.0
Vulkan1.1.1261.4
CUDA+-

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.

GeForce 945M 5.47
Arc B580 39.91
+630%

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 945M 2108
Arc B580 15385
+630%

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 HD26
−592%
180−190
+592%

Cost per frame, $

1080pno data1.38

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 9−10
−622%
65−70
+622%

Full HD
Medium Preset

Assassin's Creed Odyssey 14−16
−614%
100−105
+614%
Assassin's Creed Valhalla 6−7
−567%
40−45
+567%
Battlefield 5 14−16
−614%
100−105
+614%
Call of Duty: Modern Warfare 12−14
−608%
85−90
+608%
Cyberpunk 2077 9−10
−622%
65−70
+622%
Far Cry 5 12−14
−608%
85−90
+608%
Far Cry New Dawn 14−16
−567%
100−105
+567%
Forza Horizon 4 35−40
−614%
250−260
+614%
Hitman 3 10−12
−627%
80−85
+627%
Horizon Zero Dawn 30−35
−606%
240−250
+606%
Metro Exodus 14−16
−614%
100−105
+614%
Red Dead Redemption 2 14−16
−567%
100−105
+567%
Shadow of the Tomb Raider 18−20
−584%
130−140
+584%
Watch Dogs: Legion 45−50
−629%
350−400
+629%

Full HD
High Preset

Assassin's Creed Odyssey 14−16
−614%
100−105
+614%
Assassin's Creed Valhalla 6−7
−567%
40−45
+567%
Battlefield 5 14−16
−614%
100−105
+614%
Call of Duty: Modern Warfare 12−14
−608%
85−90
+608%
Cyberpunk 2077 9−10
−622%
65−70
+622%
Far Cry 5 12−14
−608%
85−90
+608%
Far Cry New Dawn 14−16
−567%
100−105
+567%
Forza Horizon 4 35−40
−614%
250−260
+614%
Hitman 3 10−12
−627%
80−85
+627%
Horizon Zero Dawn 30−35
−606%
240−250
+606%
Metro Exodus 14−16
−614%
100−105
+614%
Red Dead Redemption 2 14−16
−567%
100−105
+567%
Shadow of the Tomb Raider 18−20
−584%
130−140
+584%
The Witcher 3: Wild Hunt 53
−560%
350−400
+560%
Watch Dogs: Legion 45−50
−629%
350−400
+629%

Full HD
Ultra Preset

Assassin's Creed Odyssey 14−16
−614%
100−105
+614%
Assassin's Creed Valhalla 6−7
−567%
40−45
+567%
Call of Duty: Modern Warfare 12−14
−608%
85−90
+608%
Cyberpunk 2077 9−10
−622%
65−70
+622%
Far Cry 5 12−14
−608%
85−90
+608%
Forza Horizon 4 35−40
−614%
250−260
+614%
Hitman 3 10−12
−627%
80−85
+627%
Horizon Zero Dawn 30−35
−606%
240−250
+606%
Shadow of the Tomb Raider 18−20
−584%
130−140
+584%
The Witcher 3: Wild Hunt 9
−622%
65−70
+622%
Watch Dogs: Legion 45−50
−629%
350−400
+629%

Full HD
Epic Preset

Red Dead Redemption 2 14−16
−567%
100−105
+567%

1440p
High Preset

Battlefield 5 10−11
−600%
70−75
+600%
Far Cry New Dawn 8−9
−588%
55−60
+588%

1440p
Ultra Preset

Assassin's Creed Odyssey 5−6
−600%
35−40
+600%
Assassin's Creed Valhalla 0−1 0−1
Call of Duty: Modern Warfare 5−6
−600%
35−40
+600%
Cyberpunk 2077 2−3
−600%
14−16
+600%
Far Cry 5 6−7
−567%
40−45
+567%
Forza Horizon 4 14−16
−614%
100−105
+614%
Hitman 3 9−10
−622%
65−70
+622%
Horizon Zero Dawn 12−14
−608%
85−90
+608%
Metro Exodus 4−5
−575%
27−30
+575%
The Witcher 3: Wild Hunt 4−5
−575%
27−30
+575%
Watch Dogs: Legion 35−40
−614%
250−260
+614%

1440p
Epic Preset

Red Dead Redemption 2 10−11
−600%
70−75
+600%

4K
High Preset

Battlefield 5 4−5
−575%
27−30
+575%
Far Cry New Dawn 4−5
−575%
27−30
+575%
Hitman 3 2−3
−600%
14−16
+600%
Horizon Zero Dawn 10−11
−600%
70−75
+600%
Metro Exodus 2−3
−600%
14−16
+600%
The Witcher 3: Wild Hunt 2−3
−600%
14−16
+600%

4K
Ultra Preset

Assassin's Creed Odyssey 3−4
−600%
21−24
+600%
Assassin's Creed Valhalla 2−3
−600%
14−16
+600%
Call of Duty: Modern Warfare 2−3
−600%
14−16
+600%
Cyberpunk 2077 0−1 0−1
Far Cry 5 3−4
−600%
21−24
+600%
Forza Horizon 4 5−6
−600%
35−40
+600%
Watch Dogs: Legion 2−3
−600%
14−16
+600%

4K
Epic Preset

Red Dead Redemption 2 6−7
−567%
40−45
+567%

This is how GeForce 945M and Arc B580 compete in popular games:

  • Arc B580 is 592% faster in 1080p

Pros & cons summary


Performance score 5.47 39.91
Recency 27 October 2015 12 December 2024
Maximum RAM amount 2 GB 12 GB
Chip lithography 28 nm 5 nm
Power consumption (TDP) 75 Watt 190 Watt

GeForce 945M has 153.3% lower power consumption.

Arc B580, on the other hand, has a 629.6% higher aggregate performance score, an age advantage of 9 years, a 500% higher maximum VRAM amount, and a 460% more advanced lithography process.

The Arc B580 is our recommended choice as it beats the GeForce 945M in performance tests.

Be aware that GeForce 945M 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce 945M
GeForce 945M
Intel Arc B580
Arc B580

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.8 11 votes

Rate GeForce 945M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 191 vote

Rate Arc B580 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.