GeForce 840A vs Mobility Radeon HD 4870
When choosing between GeForce 840A and Mobility Radeon HD 4870, 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 840A and Mobility Radeon HD 4870.
GeForce 840A
Mobility Radeon HD 4870 is a Laptop Graphics Card
Note: Mobility Radeon HD 4870 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 Mobility Radeon HD 4870 here:
Main Specs
| GeForce 840A | Mobility Radeon HD 4870 | |
| Power consumption (TDP) | 33 Watt | |
| Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 1 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GeForce 840A is connected by PCIe 3.0 x8, and Mobility Radeon HD 4870 uses PCIe 2.0 x16 interface.
- GeForce 840A has 1 GB more memory, than Mobility Radeon HD 4870.
- GeForce 840A is used in Desktops, and Mobility Radeon HD 4870 - in Laptops.
- GeForce 840A is build with Maxwell architecture, and Mobility Radeon HD 4870 - with Terascale 1.
- Core clock speed of GeForce 840A is 479 MHz higher, than Mobility Radeon HD 4870.
- GeForce 840A is manufactured by 28 nm process technology, and Mobility Radeon HD 4870 - by 55 nm process technology.
- Memory clock speed of GeForce 840A is 1114 MHz higher, than Mobility Radeon HD 4870.
Game benchmarks
| high / 1080p | 3−4 | 7−8 |
| 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 Mobility Radeon HD 4870 in Assassin's Creed Odyssey is 50% more, than GeForce 840A. | ||
| 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 Mobility Radeon HD 4870 in Battlefield 5 is 45% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 30−35 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Mobility Radeon HD 4870 in Call of Duty: Warzone is 17% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 140−150 |
| medium / 768p | 90−95 | 110−120 |
| ultra / 1080p | 40−45 | 55−60 |
| QHD / 1440p | 24−27 | 30−33 |
| 4K / 2160p | 18−20 | 27−30 |
| high / 768p | 65−70 | 80−85 |
| The average gaming FPS of Mobility Radeon HD 4870 in Counter-Strike: Global Offensive is 22% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 55−60 |
| ultra / 1080p | 14−16 | 20−22 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 9% more, than Mobility Radeon HD 4870. | ||
| low / 768p | 75−80 | 80−85 |
| medium / 768p | 50−55 | 60−65 |
| ultra / 1080p | 27−30 | 35−40 |
| The average gaming FPS of Mobility Radeon HD 4870 in Dota 2 is 15% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 8−9 |
| ultra / 1080p | − | 8−9 |
| 4K / 2160p | 2−3 | 3−4 |
| low / 720p | 14−16 | 18−20 |
| medium / 1080p | 6−7 | 9−10 |
| The average gaming FPS of Mobility Radeon HD 4870 in Far Cry 5 is 42% more, than GeForce 840A. | ||
| high / 1080p | 12−14 | 14−16 |
| ultra / 1080p | 7−8 | 10−11 |
| low / 720p | 50−55 | 60−65 |
| medium / 1080p | 14−16 | 24−27 |
| The average gaming FPS of Mobility Radeon HD 4870 in Fortnite is 27% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 12−14 |
| ultra / 1080p | − | 10−12 |
| QHD / 1440p | 0−1 | 1−2 |
| low / 720p | 20−22 | 27−30 |
| medium / 1080p | 9−10 | 14−16 |
| The average gaming FPS of Mobility Radeon HD 4870 in Forza Horizon 4 is 50% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 50−55 |
| medium / 768p | − | 45−50 |
| high / 1080p | 8−9 | 12−14 |
| ultra / 1080p | 5−6 | 6−7 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of Mobility Radeon HD 4870 in Grand Theft Auto V is 20% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 5−6 |
| 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 Mobility Radeon HD 4870 in Metro Exodus is 75% more, than GeForce 840A. | ||
| 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 Mobility Radeon HD 4870 in Minecraft is 5% more, than GeForce 840A. | ||
| 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 Mobility Radeon HD 4870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than GeForce 840A. | ||
| 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 Mobility Radeon HD 4870 in Red Dead Redemption 2 is 25% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 24−27 |
| medium / 768p | 12−14 | 16−18 |
| high / 1080p | 6−7 | 9−10 |
| ultra / 1080p | 5−6 | 6−7 |
| 4K / 2160p | − | 6−7 |
| The average gaming FPS of Mobility Radeon HD 4870 in The Witcher 3: Wild Hunt is 40% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 85−90 |
| medium / 768p | 35−40 | 45−50 |
| ultra / 1080p | 16−18 | 20−22 |
| high / 768p | 30−35 | 35−40 |
| The average gaming FPS of Mobility Radeon HD 4870 in World of Tanks is 23% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | Mobility Radeon HD 4870 | |
| Architecture | Maxwell | Terascale 1 |
| Code name | GM108 | M98-XT |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 9 January 2009 |
| Pipelines | 384 | 800 |
| Core clock speed | 1029 MHz | 550 MHz |
| Boost Clock | 1124 MHz | |
| Transistor count | 956 million | |
| Manufacturing process technology | 28 nm | 55 nm |
| Texture fill rate | 17.98 | 22.00 |
| Floating-point performance | 863.2 gflops | 880.0 gflops |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 2002 MHz | 888 MHz |
| Memory bandwidth | 16.02 GB/s | 56.83 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 10.1 (10_1) |
| Shader Model | 5.1 | 4.1 |
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | 1.1.126 | N/A |
| CUDA | 5.0 | |
| Laptop size | large | |
| Check Price |