Iris Plus Graphics 645 vs GeForce GTX 775M Mac Edition
Aggregate performance score
We've compared GeForce GTX 775M Mac Edition and Iris Plus Graphics 645, covering specs and all relevant benchmarks.
Iris Plus Graphics 645 outperforms GTX 775M Mac Edition by a substantial 32% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 745 | 674 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.32 | 20.43 |
| Architecture | Kepler (2012−2018) | Generation 9.5 (2016−2020) |
| GPU code name | GK104 | Coffee Lake GT3e |
| Market segment | Laptop | Laptop |
| Release date | 8 November 2013 (11 years ago) | 7 October 2019 (5 years ago) |
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 | 1344 | 384 |
| Core clock speed | 797 MHz | 300 MHz |
| Boost clock speed | no data | 1050 MHz |
| Number of transistors | 3,540 million | no data |
| Manufacturing process technology | 28 nm | 14 nm+++ |
| Power consumption (TDP) | 100 Watt | 15 Watt |
| Texture fill rate | 89.26 | 50.40 |
| Floating-point processing power | 2.142 TFLOPS | 0.8064 TFLOPS |
| ROPs | 32 | 6 |
| TMUs | 112 | 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 | MXM-B (3.0) | Ring Bus |
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 | GDDR5 | System Shared |
| Maximum RAM amount | 2 GB | System Shared |
| Memory bus width | 256 Bit | System Shared |
| Memory clock speed | 1250 MHz | System Shared |
| Memory bandwidth | 160.0 GB/s | no data |
| 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 | Portable Device Dependent |
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 (11_0) | 12 (12_1) |
| Shader Model | 5.1 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 3.0 | - |
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 | 18−20
−44.4%
| 26
+44.4%
|
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 | 10−12
+0%
|
10−12
+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%
|
| 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 | 70−75
+0%
|
70−75
+0%
|
| Cyberpunk 2077 | 9−10
+0%
|
9−10
+0%
|
| Dota 2 | 29
+0%
|
29
+0%
|
| Far Cry 5 | 10−12
+0%
|
10−12
+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 | 14−16
+0%
|
14−16
+0%
|
| Metro Exodus | 8−9
+0%
|
8−9
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 16−18
+0%
|
16−18
+0%
|
| The Witcher 3: Wild Hunt | 12−14
+0%
|
12−14
+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 | 27
+0%
|
27
+0%
|
| Far Cry 5 | 10−12
+0%
|
10−12
+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 | 12−14
+0%
|
12−14
+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 | 4−5
+0%
|
4−5
+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 | 5−6
+0%
|
5−6
+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 | 6−7
+0%
|
6−7
+0%
|
1440p
Epic Preset
| Fortnite | 8−9
+0%
|
8−9
+0%
|
4K
High Preset
| Atomic Heart | 3−4
+0%
|
3−4
+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 | 14−16
+0%
|
14−16
+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 GTX 775M Mac Edition and Iris Plus Graphics 645 compete in popular games:
- Iris Plus Graphics 645 is 44% faster in 1080p
All in all, in popular games:
- there's a draw in 62 tests (100%)
Pros & cons summary
| Performance score | 3.38 | 4.47 |
| Recency | 8 November 2013 | 7 October 2019 |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 100 Watt | 15 Watt |
Iris Plus Graphics 645 has a 32.2% higher aggregate performance score, an age advantage of 5 years, a 100% more advanced lithography process, and 566.7% lower power consumption.
The Iris Plus Graphics 645 is our recommended choice as it beats the GeForce GTX 775M Mac Edition in performance tests.
Other comparisons
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