GeForce GT 745A vs Iris Graphics 5100
When choosing between GeForce GT 745A and Iris Graphics 5100, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 745A and Iris Graphics 5100.
GeForce GT 745A
Iris Graphics 5100 is a Laptop Graphics Card
Note: Iris Graphics 5100 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Iris Graphics 5100 here:
Main Specs
| GeForce GT 745A | Iris Graphics 5100 | |
| Power consumption (TDP) | 33 Watt | 30 Watt |
| Interface | PCIe 3.0 x16 | PCIe 1.0 x16 |
| Memory type | DDR3 | System Shared |
| Maximum RAM amount | 2 GB | |
| Display Connectors | No outputs | No outputs |
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- GeForce GT 745A has 10% more power consumption, than Iris Graphics 5100.
- GeForce GT 745A is connected by PCIe 3.0 x16, and Iris Graphics 5100 uses PCIe 1.0 x16 interface.
- GeForce GT 745A is used in Desktops, and Iris Graphics 5100 - in Laptops.
- GeForce GT 745A is build with Kepler architecture, and Iris Graphics 5100 - with Gen. 7.5 Haswell.
- Core clock speed of GeForce GT 745A is 637 MHz higher, than Iris Graphics 5100.
- GeForce GT 745A is manufactured by 28 nm process technology, and Iris Graphics 5100 - by 22 nm process technology.
Game benchmarks
| high / 1080p | 2−3 | 3−4 |
| ultra / 1080p | 0−1 | 1−2 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 12−14 | 14−16 |
| medium / 1080p | 4−5 | 5−6 |
| The average gaming FPS of Iris Graphics 5100 in Assassin's Creed Odyssey is 33% more, than GeForce GT 745A. | ||
| high / 1080p | 6−7 | 7−8 |
| ultra / 1080p | 5−6 | 6−7 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 18−20 |
| medium / 1080p | 7−8 | 8−9 |
| The average gaming FPS of Iris Graphics 5100 in Battlefield 5 is 11% more, than GeForce GT 745A. | ||
| low / 768p | 50−55 | 50−55 |
| high / 1080p | 40−45 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce GT 745A and Iris Graphics 5100 have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 110−120 | 120−130 |
| medium / 768p | 85−90 | 100−110 |
| ultra / 1080p | 40−45 | 45−50 |
| QHD / 1440p | 24−27 | 24−27 |
| 4K / 2160p | − | 18−20 |
| high / 768p | 60−65 | 70−75 |
| The average gaming FPS of Iris Graphics 5100 in Counter-Strike: Global Offensive is 13% more, than GeForce GT 745A. | ||
| low / 768p | 60−65 | 65−70 |
| ultra / 1080p | 18−20 | 21−24 |
| medium / 1080p | 50−55 | 45−50 |
| The average gaming FPS of Iris Graphics 5100 in Cyberpunk 2077 is 2% more, than GeForce GT 745A. | ||
| low / 768p | 70−75 | 75−80 |
| medium / 768p | 50−55 | 50−55 |
| ultra / 1080p | 24−27 | 24−27 |
| The average gaming FPS of Iris Graphics 5100 in Dota 2 is 2% more, than GeForce GT 745A. | ||
| high / 1080p | 3−4 | 4−5 |
| ultra / 1080p | 3−4 | 3−4 |
| 4K / 2160p | 1−2 | 2−3 |
| low / 720p | 12−14 | 12−14 |
| medium / 1080p | 4−5 | 5−6 |
| GeForce GT 745A and Iris Graphics 5100 have the same average FPS in Far Cry 5. | ||
| high / 1080p | 10−12 | 10−12 |
| ultra / 1080p | 6−7 | 6−7 |
| QHD / 1440p | 2−3 | 4−5 |
| low / 720p | 50−55 | 55−60 |
| medium / 1080p | 14−16 | 14−16 |
| The average gaming FPS of Iris Graphics 5100 in Fortnite is 5% more, than GeForce GT 745A. | ||
| high / 1080p | 7−8 | 7−8 |
| ultra / 1080p | 5−6 | − |
| QHD / 1440p | 0−1 | 4−5 |
| 4K / 2160p | − | 3−4 |
| low / 720p | 18−20 | 20−22 |
| medium / 1080p | 9−10 | 9−10 |
| GeForce GT 745A and Iris Graphics 5100 have the same average FPS in Forza Horizon 4. | ||
| low / 768p | 45−50 | 45−50 |
| medium / 768p | 40−45 | − |
| high / 1080p | 7−8 | 6−7 |
| ultra / 1080p | 3−4 | 3−4 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | − | 40−45 |
| GeForce GT 745A and Iris Graphics 5100 have the same average FPS in Grand Theft Auto V. | ||
| high / 1080p | 1−2 | 2−3 |
| ultra / 1080p | 0−1 | 0−1 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 7−8 | 6−7 |
| medium / 1080p | 4−5 | 4−5 |
| GeForce GT 745A and Iris Graphics 5100 have the same average FPS in Metro Exodus. | ||
| low / 768p | 80−85 | 90−95 |
| high / 1080p | 80−85 | 80−85 |
| ultra / 1080p | 70−75 | − |
| 4K / 2160p | − | 75−80 |
| The average gaming FPS of Iris Graphics 5100 in Minecraft is 6% more, than GeForce GT 745A. | ||
| high / 1080p | 14−16 | − |
| ultra / 1080p | 12−14 | 12−14 |
| low / 720p | 24−27 | 30−35 |
| medium / 1080p | 14−16 | 14−16 |
| The average gaming FPS of Iris Graphics 5100 in PLAYERUNKNOWN'S BATTLEGROUNDS is 17% more, than GeForce GT 745A. | ||
| ultra / 1080p | 6−7 | 7−8 |
| low / 720p | 8−9 | 8−9 |
| medium / 1080p | 7−8 | − |
| The average gaming FPS of Iris Graphics 5100 in Red Dead Redemption 2 is 14% more, than GeForce GT 745A. | ||
| low / 768p | 16−18 | 12−14 |
| medium / 768p | 12−14 | 10−11 |
| high / 1080p | 6−7 | 5−6 |
| ultra / 1080p | 4−5 | 4−5 |
| 4K / 2160p | 2−3 | 1−2 |
| The average gaming FPS of GeForce GT 745A in The Witcher 3: Wild Hunt is 14% more, than Iris Graphics 5100. | ||
| low / 768p | 80−85 | 75−80 |
| medium / 768p | 35−40 | 40−45 |
| ultra / 1080p | 16−18 | 16−18 |
| high / 768p | 30−35 | 30−35 |
| GeForce GT 745A and Iris Graphics 5100 have the same average FPS in World of Tanks. | ||
Full Specs
| GeForce GT 745A | Iris Graphics 5100 | |
| Architecture | Kepler | Gen. 7.5 Haswell |
| Code name | GK107 | Haswell GT3 |
| Type | Desktop | Laptop |
| Release date | 26 August 2013 | 5 June 2013 |
| Pipelines | 384 | 40 |
| Core clock speed | 837 MHz | 200 MHz |
| Boost Clock | 915 MHz | 1200 MHz |
| Transistor count | 1,270 million | 1,300 million |
| Manufacturing process technology | 28 nm | 22 nm |
| Texture fill rate | 29.28 | 48.00 |
| Floating-point performance | 642.8 gflops | |
| Memory bus width | 128 Bit | 64/128 Bit |
| Memory clock speed | 1800 MHz | |
| Memory bandwidth | 28.8 GB/s | |
| Shared memory | + | |
| DirectX | 12 (11_0) | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.3 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.80 |
| CUDA | 3.0 | |
| Bitcoin / BTC (SHA256) | 26 Mh/s | |
| Quick Sync | + | |
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