GeForce 940A vs Iris Plus Graphics 640
If you are going to buy a new graphics card and are choosing between GeForce 940A and Iris Plus Graphics 640, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce 940A stacks up against Iris Plus Graphics 640, check out specs charts below.
GeForce 940A
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Iris Plus Graphics 640 is a Laptop Graphics Card
Note: Iris Plus Graphics 640 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 640 here:
Main Specs
GeForce 940A | Iris Plus Graphics 640 | |
Power consumption (TDP) | 33 Watt | 15 Watt |
Interface | PCIe 3.0 x8 | PCIe 3.0 x1 |
Memory type | DDR3 | DDR3L/LPDDR3/DDR4 |
Maximum RAM amount | 1 GB | 32 GB |
Display Connectors | No outputs | No outputs |
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- GeForce 940A has 120% more power consumption, than Iris Plus Graphics 640.
- GeForce 940A is connected by PCIe 3.0 x8, and Iris Plus Graphics 640 uses PCIe 3.0 x1 interface.
- Iris Plus Graphics 640 has 31 GB more memory, than GeForce 940A.
- GeForce 940A is used in Desktops, and Iris Plus Graphics 640 - in Laptops.
- GeForce 940A is build with Maxwell architecture, and Iris Plus Graphics 640 - with Gen. 9.5 Kaby Lake.
- Core clock speed of GeForce 940A is 729 MHz higher, than Iris Plus Graphics 640.
- GeForce 940A is manufactured by 28 nm process technology, and Iris Plus Graphics 640 - by 14 nm process technology.
Game benchmarks
high / 1080p | 4−5 | 6−7 |
ultra / 1080p | 2−3 | 4−5 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 14−16 | 16−18 |
medium / 1080p | 5−6 | 8−9 |
The average gaming FPS of Iris Plus Graphics 640 in Assassin's Creed Odyssey is 50% more, than GeForce 940A. | ||
high / 1080p | − | 12−14 |
ultra / 1080p | 7−8 | 10−11 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 18−20 | 24−27 |
medium / 1080p | 8−9 | 12−14 |
The average gaming FPS of Iris Plus Graphics 640 in Battlefield 5 is 45% more, than GeForce 940A. | ||
low / 768p | 45−50 | 45−50 |
high / 1080p | 30−35 | 45−50 |
QHD / 1440p | 0−1 | 0−1 |
The average gaming FPS of Iris Plus Graphics 640 in Call of Duty: Warzone is 17% more, than GeForce 940A. | ||
low / 768p | 120−130 | 130−140 |
medium / 768p | 90−95 | 110−120 |
ultra / 1080p | 40−45 | 50−55 |
QHD / 1440p | 24−27 | 27−30 |
4K / 2160p | 18−20 | 27−30 |
high / 768p | 65−70 | 80−85 |
The average gaming FPS of Iris Plus Graphics 640 in Counter-Strike: Global Offensive is 17% more, than GeForce 940A. | ||
low / 768p | 80−85 | 55−60 |
ultra / 1080p | 14−16 | 18−20 |
medium / 1080p | 40−45 | 45−50 |
The average gaming FPS of GeForce 940A in Cyberpunk 2077 is 12% more, than Iris Plus Graphics 640. | ||
low / 768p | 75−80 | 80−85 |
medium / 768p | 50−55 | 55−60 |
ultra / 1080p | 27−30 | 30−35 |
The average gaming FPS of Iris Plus Graphics 640 in Dota 2 is 9% more, than GeForce 940A. | ||
high / 1080p | 5−6 | 8−9 |
ultra / 1080p | − | 7−8 |
4K / 2160p | 2−3 | 3−4 |
low / 720p | 14−16 | 18−20 |
medium / 1080p | 6−7 | 8−9 |
The average gaming FPS of Iris Plus Graphics 640 in Far Cry 5 is 28% more, than GeForce 940A. | ||
high / 1080p | 12−14 | 14−16 |
ultra / 1080p | 7−8 | 10−11 |
low / 720p | 50−55 | 60−65 |
medium / 1080p | 14−16 | 21−24 |
The average gaming FPS of Iris Plus Graphics 640 in Fortnite is 22% more, than GeForce 940A. | ||
high / 1080p | 7−8 | 12−14 |
ultra / 1080p | − | 10−12 |
QHD / 1440p | 0−1 | 1−2 |
low / 720p | 20−22 | 24−27 |
medium / 1080p | 9−10 | 14−16 |
The average gaming FPS of Iris Plus Graphics 640 in Forza Horizon 4 is 41% more, than GeForce 940A. | ||
low / 768p | 45−50 | 50−55 |
medium / 768p | − | 45−50 |
high / 1080p | 7−8 | 12−14 |
ultra / 1080p | 3−4 | 6−7 |
QHD / 1440p | 0−1 | 0−1 |
medium / 720p | 35−40 | − |
The average gaming FPS of Iris Plus Graphics 640 in Grand Theft Auto V is 26% more, than GeForce 940A. | ||
high / 1080p | 3−4 | 4−5 |
ultra / 1080p | 1−2 | 3−4 |
4K / 2160p | 0−1 | 0−1 |
low / 720p | 8−9 | 12−14 |
medium / 1080p | 4−5 | 6−7 |
The average gaming FPS of Iris Plus Graphics 640 in Metro Exodus is 50% more, than GeForce 940A. | ||
low / 768p | 85−90 | 95−100 |
high / 1080p | 85−90 | 90−95 |
ultra / 1080p | 80−85 | 80−85 |
medium / 1080p | 85−90 | 90−95 |
The average gaming FPS of Iris Plus Graphics 640 in Minecraft is 5% more, than GeForce 940A. | ||
high / 1080p | − | 16−18 |
ultra / 1080p | 12−14 | 14−16 |
low / 720p | 27−30 | 30−35 |
medium / 1080p | 14−16 | 18−20 |
The average gaming FPS of Iris Plus Graphics 640 in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than GeForce 940A. | ||
ultra / 1080p | 7−8 | 7−8 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 8−9 | 12−14 |
medium / 1080p | − | 10−12 |
The average gaming FPS of Iris Plus Graphics 640 in Red Dead Redemption 2 is 25% more, than GeForce 940A. | ||
low / 768p | 16−18 | 24−27 |
medium / 768p | 10−12 | 16−18 |
high / 1080p | 5−6 | 9−10 |
ultra / 1080p | 4−5 | 6−7 |
4K / 2160p | 0−1 | 6−7 |
The average gaming FPS of Iris Plus Graphics 640 in The Witcher 3: Wild Hunt is 55% more, than GeForce 940A. | ||
low / 768p | 70−75 | 85−90 |
medium / 768p | 35−40 | 45−50 |
ultra / 1080p | 16−18 | 18−20 |
high / 768p | 30−35 | 35−40 |
The average gaming FPS of Iris Plus Graphics 640 in World of Tanks is 20% more, than GeForce 940A. |
Full Specs
GeForce 940A | Iris Plus Graphics 640 | |
Architecture | Maxwell | Gen. 9.5 Kaby Lake |
Code name | GM108 | Kaby Lake GT3e |
Type | Desktop | Laptop |
Release date | 13 March 2015 | 3 January 2017 |
Pipelines | 384 | 48 |
Core clock speed | 1029 MHz | 300 MHz |
Boost Clock | 1124 MHz | 1050 MHz |
Transistor count | 189 million | |
Manufacturing process technology | 28 nm | 14 nm |
Texture fill rate | 17.98 | 52.80 |
Floating-point performance | 863.2 gflops | |
Memory bus width | 64 Bit | 64/128 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 | + | |
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