GeForce 840A: specs and benchmarks
Aggregate performance score
GeForce 840A provides poor gaming and benchmark performance at 2.48% of a leader's which is RTX PRO 5000 Blackwell.
Contents
Summary
NVIDIA started GeForce 840A sales 17 March 2014. This is a Maxwell architecture notebook card based on 28 nm manufacturing process and primarily aimed at office use. 2 GB of DDR3 memory clocked at 1 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 16.02 GB/s.
Compatibility-wise, this is a graphics card attached via PCIe 3.0 x8 interface. Power consumption is at 33 Watt.
Primary details
Some basic facts about GeForce 840A: architecture, market segment, release date etc.
| Place in the ranking | 849 | |
| Place by popularity | not in top-100 | |
| Power efficiency | 6.07 | of 100.00 (Radeon 890M) |
| Architecture | Maxwell (2014−2017) | |
| GPU code name | GM108 | |
| Market segment | Laptop | |
| Release date | 17 March 2014 (11 years ago) |
Detailed specifications
GeForce 840A's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce 840A's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Pipelines / CUDA cores | 384 | of 960 (GeForce GTX 660) |
| Core clock speed | 1029 MHz | of 980 (GeForce GT 755M SLI) |
| Boost clock speed | 1124 MHz | of 1000 (HD Graphics (Haswell)) |
| Manufacturing process technology | 28 nm | of 0.003 MB (Arc Graphics 140V) |
| Power consumption (TDP) | 33 Watt | of 235 (FirePro S9150) |
| Texture fill rate | 17.98 | of 1,968 (RTX PRO 6000 Blackwell) |
| Floating-point processing power | 0.8632 TFLOPS | of 126 (RTX PRO 6000 Blackwell) |
| ROPs | 8 | of 512 (Moore Threads MTT S4000) |
| TMUs | 16 | of 896 (Data Center GPU Max 1350) |
| L1 Cache | 192 KB | of 64 MB (Data Center GPU Max 1550) |
| L2 Cache | 1024 KB | of 408 MB (Data Center GPU Max 1350) |
Form factor & compatibility
This section provides details about the physical dimensions of GeForce 840A and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).
| Interface | PCIe 3.0 x8 |
VRAM capacity and type
Parameters of memory installed on GeForce 840A: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.
| Memory type | DDR3 | |
| Maximum RAM amount | 2 GB | of 288 GB (Radeon Instinct MI325X) |
| Memory bus width | 64 Bit | of 384 (GeForce GTX 980 Ti) |
| Memory clock speed | 1001 MHz | of 16384000 MB (GeForce RTX 4050 Mobile) |
| Memory bandwidth | 16.02 GB/s | of 983040 MB (GeForce RTX 5080) |
Connectivity and outputs
Types and number of video connectors present on GeForce 840A. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.
| Display Connectors | No outputs |
API and SDK support
APIs supported by GeForce 840A, sometimes including their particular versions.
| DirectX | 12 (11_0) | |
| Shader Model | 5.1 | |
| OpenGL | 4.6 | |
| OpenCL | 1.2 | |
| Vulkan | 1.1.126 | |
| CUDA | 5.0 |
Benchmark performance
Synthetic benchmark performance of GeForce 840A. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
GeekBench 5 OpenCL
Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.
Send your test results of GeForce 840A.
AMD equivalent
According to our data, the closest AMD alternative to GeForce 840A is Radeon 610M, which is nearly equal in speed and higher by 3 positions in our ranking.
Here are some closest AMD rivals to GeForce 840A:
Similar GPUs
Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.
Recommended processors
These processors are most commonly used with GeForce 840A according to our statistics.
