GeForce 840A vs Iris Plus Graphics 655
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and Iris Plus Graphics 655. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 840A and Iris Plus Graphics 655. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
GeForce 840A
Iris Plus Graphics 655 is a Laptop Graphics Card
Note: Iris Plus Graphics 655 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 Plus Graphics 655 here:
Main Specs
| GeForce 840A | Iris Plus Graphics 655 | |
| Power consumption (TDP) | 33 Watt | 15 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x1 |
| Memory type | DDR3 | DDR3/DDR4 |
| Maximum RAM amount | 2 GB | |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GeForce 840A has 120% more power consumption, than Iris Plus Graphics 655.
- GeForce 840A is connected by PCIe 3.0 x8, and Iris Plus Graphics 655 uses PCIe 3.0 x1 interface.
- GeForce 840A is used in Desktops, and Iris Plus Graphics 655 - in Laptops.
- GeForce 840A is build with Maxwell architecture, and Iris Plus Graphics 655 - with Gen. 9.5 Kaby Lake.
- Core clock speed of GeForce 840A is 729 MHz higher, than Iris Plus Graphics 655.
- GeForce 840A is manufactured by 28 nm process technology, and Iris Plus Graphics 655 - by 14 nm process technology.
Game benchmarks
| high / 1080p | 3−4 | 12−14 |
| ultra / 1080p | 2−3 | 7−8 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 14−16 | 27−30 |
| medium / 1080p | 5−6 | 16−18 |
| The average gaming FPS of Iris Plus Graphics 655 in Assassin's Creed Odyssey is 166% more, than GeForce 840A. | ||
| high / 1080p | − | 21−24 |
| ultra / 1080p | 7−8 | 18−20 |
| QHD / 1440p | 0−1 | 4−5 |
| low / 720p | 18−20 | 45−50 |
| medium / 1080p | 8−9 | 21−24 |
| The average gaming FPS of Iris Plus Graphics 655 in Battlefield 5 is 163% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 30−35 | − |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 840A and Iris Plus Graphics 655 have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 120−130 | 190−200 |
| medium / 768p | 90−95 | 160−170 |
| ultra / 1080p | 40−45 | 85−90 |
| QHD / 1440p | 24−27 | 45−50 |
| 4K / 2160p | 18−20 | 30−33 |
| high / 768p | 65−70 | 120−130 |
| The average gaming FPS of Iris Plus Graphics 655 in Counter-Strike: Global Offensive is 74% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 55−60 |
| ultra / 1080p | 14−16 | 35−40 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of Iris Plus Graphics 655 in Cyberpunk 2077 is 2% more, than GeForce 840A. | ||
| low / 768p | 75−80 | 100−110 |
| medium / 768p | 50−55 | 85−90 |
| ultra / 1080p | 27−30 | 55−60 |
| The average gaming FPS of Iris Plus Graphics 655 in Dota 2 is 59% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 14−16 |
| ultra / 1080p | − | 14−16 |
| 4K / 2160p | 2−3 | 5−6 |
| low / 720p | 14−16 | 30−35 |
| medium / 1080p | 6−7 | 16−18 |
| The average gaming FPS of Iris Plus Graphics 655 in Far Cry 5 is 142% more, than GeForce 840A. | ||
| high / 1080p | 12−14 | 21−24 |
| ultra / 1080p | 7−8 | 16−18 |
| QHD / 1440p | − | 16−18 |
| low / 720p | 50−55 | 85−90 |
| medium / 1080p | 14−16 | 45−50 |
| The average gaming FPS of Iris Plus Graphics 655 in Fortnite is 95% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 21−24 |
| ultra / 1080p | − | 16−18 |
| QHD / 1440p | 0−1 | 7−8 |
| low / 720p | 20−22 | 45−50 |
| medium / 1080p | 9−10 | 24−27 |
| The average gaming FPS of Iris Plus Graphics 655 in Forza Horizon 4 is 158% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 75−80 |
| medium / 768p | − | 65−70 |
| high / 1080p | 8−9 | 24−27 |
| ultra / 1080p | 5−6 | 10−11 |
| QHD / 1440p | 0−1 | 1−2 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of Iris Plus Graphics 655 in Grand Theft Auto V is 85% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 8−9 |
| ultra / 1080p | 1−2 | 6−7 |
| 4K / 2160p | 0−1 | 2−3 |
| low / 720p | 8−9 | 24−27 |
| medium / 1080p | 4−5 | 10−12 |
| The average gaming FPS of Iris Plus Graphics 655 in Metro Exodus is 200% more, than GeForce 840A. | ||
| low / 768p | 85−90 | 100−110 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 80−85 | 95−100 |
| medium / 1080p | 85−90 | 100−110 |
| The average gaming FPS of Iris Plus Graphics 655 in Minecraft is 20% more, than GeForce 840A. | ||
| high / 1080p | − | 21−24 |
| ultra / 1080p | 12−14 | 16−18 |
| low / 720p | 27−30 | 50−55 |
| medium / 1080p | 14−16 | 21−24 |
| The average gaming FPS of Iris Plus Graphics 655 in PLAYERUNKNOWN'S BATTLEGROUNDS is 66% more, than GeForce 840A. | ||
| high / 1080p | − | 12−14 |
| ultra / 1080p | 7−8 | 9−10 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 24−27 |
| medium / 1080p | − | 14−16 |
| The average gaming FPS of Iris Plus Graphics 655 in Red Dead Redemption 2 is 112% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 45−50 |
| medium / 768p | 12−14 | 27−30 |
| high / 1080p | 6−7 | 16−18 |
| ultra / 1080p | 5−6 | 9−10 |
| 4K / 2160p | − | 7−8 |
| The average gaming FPS of Iris Plus Graphics 655 in The Witcher 3: Wild Hunt is 150% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 95−100 |
| medium / 768p | 35−40 | 55−60 |
| ultra / 1080p | 16−18 | 30−35 |
| high / 768p | 30−35 | 50−55 |
| The average gaming FPS of Iris Plus Graphics 655 in World of Tanks is 53% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | Iris Plus Graphics 655 | |
| Architecture | Maxwell | Gen. 9.5 Kaby Lake |
| Code name | GM108 | Kaby Lake GT3e |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 1 September 2017 |
| Pipelines | 384 | 48 |
| Core clock speed | 1029 MHz | 300 MHz |
| Boost Clock | 1124 MHz | 1200 MHz |
| Transistor count | 189 million | |
| Manufacturing process technology | 28 nm | 14 nm |
| Texture fill rate | 17.98 | 50.40 |
| Floating-point performance | 863.2 gflops | |
| Memory bus width | 64 Bit | |
| Memory clock speed | 2002 MHz | |
| Memory bandwidth | 16.02 GB/s | |
| Shared memory | + | |
| DirectX | 12 (11_0) | 12 (12_1) |
| Shader Model | 5.1 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.1.126 | 1.1.103 |
| CUDA | 5.0 | |
| Quick Sync | + | |
| Check Price |