Iris Plus Graphics 645 vs GeForce GT 750M SLI
Aggregate performance score
We've compared GeForce GT 750M SLI and Iris Plus Graphics 645, covering specs and all relevant benchmarks.
GT 750M SLI outperforms Iris Plus Graphics 645 by an impressive 73% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 526 | 656 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.33 | no data |
| Architecture | Kepler (2012−2018) | Gen. 9.5 Coffee Lake (2019) |
| GPU code name | N14P-GT | Kaby Lake GT3e |
| Market segment | Laptop | Laptop |
| Release date | 1 April 2013 (11 years ago) | 10 July 2019 (4 years ago) |
| Current price | $545 | no data |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 768 | 48 |
| Core clock speed | 967 MHz | 300 MHz |
| Boost clock speed | no data | 1150 MHz |
| Number of transistors | 1300 Million | no data |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | no data | 15 Watt |
| Texture fill rate | no data | 50.40 |
Form factor & compatibility
Information on GeForce GT 750M SLI and Iris Plus Graphics 645 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Laptop size | large | no data |
| Interface | no data | PCIe 3.0 x1 |
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 | DDR3, GDDR5 | DDR3, DDR4 |
| Maximum RAM amount | 2x 2 GB | System Shared |
| Memory bus width | 2x 128 Bit | System Shared |
| Memory clock speed | 2000 - 5000 MHz | System Shared |
| 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 data | No outputs |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | no data | + |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 11 | 12 (12_1) |
| Shader Model | no data | 6.4 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 2.1 |
| Vulkan | no data | 1.1.103 |
| CUDA | + | no data |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance 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 GT 750M SLI outperforms Iris Plus Graphics 645 by 73% based on our aggregate benchmark results.
3DMark 11 Performance GPU
3DMark 11 is an obsolete DirectX 11 benchmark by Futuremark. It used four tests based on two scenes, one being few submarines exploring the submerged wreck of a sunken ship, the other is an abandoned temple deep in the jungle. All the tests are heavy with volumetric lighting and tessellation, and despite being done in 1280x720 resolution, are relatively taxing. Discontinued in January 2020, 3DMark 11 is now superseded by Time Spy.
Benchmark coverage: 17%
GeForce GT 750M SLI outperforms Iris Plus Graphics 645 by 55% in 3DMark 11 Performance GPU.
3DMark Fire Strike Graphics
Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.
Benchmark coverage: 14%
GeForce GT 750M SLI outperforms Iris Plus Graphics 645 by 96% in 3DMark Fire Strike Graphics.
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 | 68
+143%
| 28
−143%
|
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 10−12
+57.1%
|
7−8
−57.1%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 14−16
+75%
|
8−9
−75%
|
| Assassin's Creed Valhalla | 8−9
+300%
|
2−3
−300%
|
| Battlefield 5 | 20−22
+122%
|
9−10
−122%
|
| Call of Duty: Modern Warfare | 14−16
+55.6%
|
9−10
−55.6%
|
| Cyberpunk 2077 | 10−12
+57.1%
|
7−8
−57.1%
|
| Far Cry 5 | 14−16
+87.5%
|
8−9
−87.5%
|
| Far Cry New Dawn | 18−20
+72.7%
|
10−12
−72.7%
|
| Forza Horizon 4 | 30−35
+83.3%
|
18−20
−83.3%
|
| Hitman 3 | 12−14
+62.5%
|
8−9
−62.5%
|
| Horizon Zero Dawn | 30−35
+45.5%
|
21−24
−45.5%
|
| Metro Exodus | 18−20
+260%
|
5−6
−260%
|
| Red Dead Redemption 2 | 18−20
+90%
|
10−11
−90%
|
| Shadow of the Tomb Raider | 21−24
+46.7%
|
14−16
−46.7%
|
| Watch Dogs: Legion | 27−30
+42.1%
|
18−20
−42.1%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 14−16
+75%
|
8−9
−75%
|
| Assassin's Creed Valhalla | 8−9
+300%
|
2−3
−300%
|
| Battlefield 5 | 20−22
+122%
|
9−10
−122%
|
| Call of Duty: Modern Warfare | 14−16
+55.6%
|
9−10
−55.6%
|
| Cyberpunk 2077 | 10−12
+57.1%
|
7−8
−57.1%
|
| Far Cry 5 | 14−16
+87.5%
|
8−9
−87.5%
|
| Far Cry New Dawn | 18−20
+72.7%
|
10−12
−72.7%
|
| Forza Horizon 4 | 30−35
+83.3%
|
18−20
−83.3%
|
| Hitman 3 | 12−14
+62.5%
|
8−9
−62.5%
|
| Horizon Zero Dawn | 30−35
+45.5%
|
21−24
−45.5%
|
| Metro Exodus | 18−20
+260%
|
5−6
−260%
|
| Red Dead Redemption 2 | 18−20
+90%
|
10−11
−90%
|
| Shadow of the Tomb Raider | 21−24
+46.7%
|
14−16
−46.7%
|
| The Witcher 3: Wild Hunt | 14−16
+66.7%
|
9−10
−66.7%
|
| Watch Dogs: Legion | 27−30
+42.1%
|
18−20
−42.1%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 14−16
+75%
|
8−9
−75%
|
| Assassin's Creed Valhalla | 8−9
+300%
|
2−3
−300%
|
| Call of Duty: Modern Warfare | 14−16
+55.6%
|
9−10
−55.6%
|
| Cyberpunk 2077 | 10−12
+57.1%
|
7−8
−57.1%
|
| Far Cry 5 | 14−16
+87.5%
|
8−9
−87.5%
|
| Forza Horizon 4 | 30−35
+83.3%
|
18−20
−83.3%
|
| Horizon Zero Dawn | 30−35
+45.5%
|
21−24
−45.5%
|
| Shadow of the Tomb Raider | 21−24
+46.7%
|
14−16
−46.7%
|
| The Witcher 3: Wild Hunt | 14−16
+66.7%
|
9−10
−66.7%
|
| Watch Dogs: Legion | 27−30
+42.1%
|
18−20
−42.1%
|
Full HD
Epic Preset
| Red Dead Redemption 2 | 18−20
+90%
|
10−11
−90%
|
1440p
High Preset
| Battlefield 5 | 12−14
+85.7%
|
7−8
−85.7%
|
| Far Cry New Dawn | 10−11
+100%
|
5−6
−100%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 6−7
+100%
|
3−4
−100%
|
| Assassin's Creed Valhalla | 2−3
+100%
|
1−2
−100%
|
| Call of Duty: Modern Warfare | 9−10
+50%
|
6−7
−50%
|
| Cyberpunk 2077 | 3−4
+50%
|
2−3
−50%
|
| Far Cry 5 | 10−12
+83.3%
|
6−7
−83.3%
|
| Forza Horizon 4 | 12−14
+100%
|
6−7
−100%
|
| Hitman 3 | 10−12
+37.5%
|
8−9
−37.5%
|
| Horizon Zero Dawn | 14−16
+66.7%
|
9−10
−66.7%
|
| Metro Exodus | 7−8
+75%
|
4−5
−75%
|
| Shadow of the Tomb Raider | 4−5
+100%
|
2−3
−100%
|
| The Witcher 3: Wild Hunt | 6−7
+100%
|
3−4
−100%
|
| Watch Dogs: Legion | 3−4
+200%
|
1−2
−200%
|
1440p
Epic Preset
| Red Dead Redemption 2 | 12−14
+50%
|
8−9
−50%
|
4K
High Preset
| Battlefield 5 | 6−7
+200%
|
2−3
−200%
|
| Far Cry New Dawn | 5−6
+150%
|
2−3
−150%
|
| Hitman 3 | 3−4 | 0−1 |
| Horizon Zero Dawn | 7−8
+75%
|
4−5
−75%
|
| Shadow of the Tomb Raider | 3−4 | 0−1 |
| The Witcher 3: Wild Hunt | 3−4
+200%
|
1−2
−200%
|
4K
Ultra Preset
| Assassin's Creed Odyssey | 4−5
+33.3%
|
3−4
−33.3%
|
| Assassin's Creed Valhalla | 3−4
+200%
|
1−2
−200%
|
| Call of Duty: Modern Warfare | 3−4
+200%
|
1−2
−200%
|
| Cyberpunk 2077 | 1−2 | 0−1 |
| Far Cry 5 | 4−5
+100%
|
2−3
−100%
|
| Forza Horizon 4 | 7−8
+250%
|
2−3
−250%
|
| Horizon Zero Dawn | 7−8
+75%
|
4−5
−75%
|
| Metro Exodus | 8−9
+33.3%
|
6−7
−33.3%
|
| Watch Dogs: Legion | 2−3
+100%
|
1−2
−100%
|
4K
Epic Preset
| Red Dead Redemption 2 | 7−8
+40%
|
5−6
−40%
|
This is how GT 750M SLI and Iris Plus Graphics 645 compete in popular games:
- GT 750M SLI is 143% faster in 1080p
Here's the range of performance differences observed across popular games:
- in Assassin's Creed Valhalla, with 1080p resolution and the Medium Preset, the GT 750M SLI is 300% faster.
All in all, in popular games:
- Without exception, GT 750M SLI surpassed Iris Plus Graphics 645 in all 65 of our tests.
Pros & cons summary
| Performance score | 6.90 | 3.99 |
| Recency | 1 April 2013 | 10 July 2019 |
| Chip lithography | 28 nm | 14 nm |
The GeForce GT 750M SLI is our recommended choice as it beats the Iris Plus Graphics 645 in performance tests.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
