Iris Plus Graphics 655 vs Quadro K620
Aggregate performance score
We've compared Quadro K620 with Iris Plus Graphics 655, including specs and performance data.
K620 outperforms Iris Plus Graphics 655 by a significant 29% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 607 | 671 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.75 | no data |
| Power efficiency | 8.84 | 20.63 |
| Architecture | Maxwell (2014−2017) | Generation 9.5 (2016−2020) |
| GPU code name | GM107 | Coffee Lake GT3e |
| Market segment | Workstation | Laptop |
| Release date | 22 July 2014 (10 years ago) | 3 April 2018 (6 years ago) |
| Launch price (MSRP) | $189.89 | no data |
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 | 384 |
| Core clock speed | 1058 MHz | 300 MHz |
| Boost clock speed | 1124 MHz | 1050 MHz |
| Number of transistors | 1,870 million | 189 million |
| Manufacturing process technology | 28 nm | 14 nm+++ |
| Power consumption (TDP) | 41 Watt | 15 Watt |
| Texture fill rate | 26.98 | 50.40 |
| Floating-point processing power | 0.8632 TFLOPS | 0.8064 TFLOPS |
| ROPs | 16 | 6 |
| TMUs | 24 | 48 |
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 | PCIe 2.0 x16 | Ring Bus |
| Length | 160 mm | no data |
| Width | 1" (2.5 cm) | no data |
| Supplementary power connectors | None | no data |
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 | 128 Bit | System Shared |
| Maximum RAM amount | 2 GB | System Shared |
| Memory bus width | 128 Bit | System Shared |
| Memory clock speed | 900 MHz | System Shared |
| Memory bandwidth | Up to 29 GB/s | no data |
| Shared memory | no data | + |
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 | 1x DVI, 1x DisplayPort | Portable Device Dependent |
| Number of simultaneous displays | 4 | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| 3D Vision Pro | + | no data |
| Mosaic | + | no data |
| nView Desktop Management | + | no data |
| Quick Sync | no data | + |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 | 12 (12_1) |
| Shader Model | 5.1 | 6.4 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 5.0 | - |
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 | 27−30
+28.6%
| 21
−28.6%
|
| 1440p | 12−14
+20%
| 10
−20%
|
| 4K | 18−21
+12.5%
| 16
−12.5%
|
Cost per frame, $
| 1080p | 7.03 | no data |
| 1440p | 15.82 | no data |
| 4K | 10.55 | no data |
FPS performance in popular games
Full HD
Low Preset
| Atomic Heart | 10−11
+0%
|
10−11
+0%
|
| Counter-Strike 2 | 10−12
+0%
|
10−12
+0%
|
| Cyberpunk 2077 | 9−10
+0%
|
9−10
+0%
|
Full HD
Medium Preset
| Atomic Heart | 10−11
+0%
|
10−11
+0%
|
| Battlefield 5 | 16−18
+0%
|
16−18
+0%
|
| Counter-Strike 2 | 10−12
+0%
|
10−12
+0%
|
| Cyberpunk 2077 | 9−10
+0%
|
9−10
+0%
|
| Far Cry 5 | 11
+0%
|
11
+0%
|
| Fortnite | 22
+0%
|
22
+0%
|
| Forza Horizon 4 | 20−22
+0%
|
20−22
+0%
|
| Forza Horizon 5 | 9−10
+0%
|
9−10
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 16−18
+0%
|
16−18
+0%
|
| Valorant | 55−60
+0%
|
55−60
+0%
|
Full HD
High Preset
| Atomic Heart | 10−11
+0%
|
10−11
+0%
|
| Battlefield 5 | 16−18
+0%
|
16−18
+0%
|
| Counter-Strike 2 | 10−12
+0%
|
10−12
+0%
|
| Counter-Strike: Global Offensive | 50
+0%
|
50
+0%
|
| Cyberpunk 2077 | 9−10
+0%
|
9−10
+0%
|
| Dota 2 | 32
+0%
|
32
+0%
|
| Far Cry 5 | 10
+0%
|
10
+0%
|
| Fortnite | 24−27
+0%
|
24−27
+0%
|
| Forza Horizon 4 | 20−22
+0%
|
20−22
+0%
|
| Forza Horizon 5 | 9−10
+0%
|
9−10
+0%
|
| Grand Theft Auto V | 10
+0%
|
10
+0%
|
| Metro Exodus | 6
+0%
|
6
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 16−18
+0%
|
16−18
+0%
|
| The Witcher 3: Wild Hunt | 11
+0%
|
11
+0%
|
| Valorant | 55−60
+0%
|
55−60
+0%
|
Full HD
Ultra Preset
| Battlefield 5 | 16−18
+0%
|
16−18
+0%
|
| Counter-Strike 2 | 10−12
+0%
|
10−12
+0%
|
| Cyberpunk 2077 | 9−10
+0%
|
9−10
+0%
|
| Dota 2 | 28
+0%
|
28
+0%
|
| Far Cry 5 | 9
+0%
|
9
+0%
|
| Forza Horizon 4 | 20−22
+0%
|
20−22
+0%
|
| Forza Horizon 5 | 9−10
+0%
|
9−10
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 16−18
+0%
|
16−18
+0%
|
| The Witcher 3: Wild Hunt | 6
+0%
|
6
+0%
|
| Valorant | 55−60
+0%
|
55−60
+0%
|
Full HD
Epic Preset
| Fortnite | 24−27
+0%
|
24−27
+0%
|
1440p
High Preset
| Counter-Strike: Global Offensive | 30−35
+0%
|
30−35
+0%
|
| Grand Theft Auto V | 4
+0%
|
4
+0%
|
| Metro Exodus | 3−4
+0%
|
3−4
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 30−33
+0%
|
30−33
+0%
|
| Valorant | 45−50
+0%
|
45−50
+0%
|
1440p
Ultra Preset
| Battlefield 5 | 2−3
+0%
|
2−3
+0%
|
| Counter-Strike 2 | 6−7
+0%
|
6−7
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Far Cry 5 | 8−9
+0%
|
8−9
+0%
|
| Forza Horizon 4 | 10−11
+0%
|
10−11
+0%
|
| Forza Horizon 5 | 6−7
+0%
|
6−7
+0%
|
| The Witcher 3: Wild Hunt | 7−8
+0%
|
7−8
+0%
|
1440p
Epic Preset
| Fortnite | 8−9
+0%
|
8−9
+0%
|
4K
High Preset
| Atomic Heart | 4−5
+0%
|
4−5
+0%
|
| Counter-Strike: Global Offensive | 12
+0%
|
12
+0%
|
| Grand Theft Auto V | 16−18
+0%
|
16−18
+0%
|
| Valorant | 21−24
+0%
|
21−24
+0%
|
4K
Ultra Preset
| Battlefield 5 | 0−1 | 0−1 |
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Dota 2 | 12
+0%
|
12
+0%
|
| Far Cry 5 | 4−5
+0%
|
4−5
+0%
|
| Forza Horizon 4 | 5−6
+0%
|
5−6
+0%
|
| Forza Horizon 5 | 2−3
+0%
|
2−3
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 5−6
+0%
|
5−6
+0%
|
4K
Epic Preset
| Fortnite | 4−5
+0%
|
4−5
+0%
|
This is how Quadro K620 and Iris Plus Graphics 655 compete in popular games:
- Quadro K620 is 29% faster in 1080p
- Quadro K620 is 20% faster in 1440p
- Quadro K620 is 13% faster in 4K
All in all, in popular games:
- there's a draw in 63 tests (100%)
Pros & cons summary
| Performance score | 5.71 | 4.44 |
| Recency | 22 July 2014 | 3 April 2018 |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 41 Watt | 15 Watt |
Quadro K620 has a 28.6% higher aggregate performance score.
Iris Plus Graphics 655, on the other hand, has an age advantage of 3 years, a 100% more advanced lithography process, and 173.3% lower power consumption.
The Quadro K620 is our recommended choice as it beats the Iris Plus Graphics 655 in performance tests.
Be aware that Quadro K620 is a workstation card while Iris Plus Graphics 655 is a notebook one.
Other comparisons
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