GeForce 840M vs Quadro P400
Aggregate performance score
Quadro P400 outperforms GeForce 840M by an impressive 51% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 641 | 758 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.79 | 0.14 |
| Architecture | Pascal (2016−2021) | Maxwell (2014−2018) |
| GPU code name | GP107 | N15S-GT |
| Market segment | Workstation | Laptop |
| Release date | 7 February 2017 (7 years ago) | 12 March 2014 (10 years ago) |
| Launch price (MSRP) | $119.99 | no data |
| Current price | $73 (0.6x MSRP) | $743 |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
Quadro P400 has 464% better value for money than GeForce 840M.
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 256 | 384 |
| Core clock speed | 1228 MHz | 1029 MHz |
| Boost clock speed | 1252 MHz | 1124 MHz |
| Number of transistors | 3,300 million | no data |
| Manufacturing process technology | 14 nm | 28 nm |
| Power consumption (TDP) | 30 Watt | 33 Watt |
| Texture fill rate | 20.03 | 17.98 |
| Floating-point performance | 679.9 gflops | 863.2 gflops |
Form factor & compatibility
Information on Quadro P400 and GeForce 840M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Laptop size | no data | medium sized |
| Bus support | no data | PCI Express 2.0, PCI Express 3.0 |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
| Length | 145 mm | no data |
| Width | 1-slot | no data |
| Supplementary power connectors | None | no data |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR5 | DDR3 |
| Maximum RAM amount | 2 GB | 4 GB |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 4008 MHz | 2000 MHz |
| Memory bandwidth | 32.06 GB/s | 16.02 GB/s |
| Shared memory | no data | - |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 3x mini-DisplayPort | No outputs |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| GPU Boost | no data | 2.0 |
| Optimus | no data | + |
| GameWorks | no data | + |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 (11_0) |
| Shader Model | 6.4 | 5.1 |
| OpenGL | 4.6 | 4.5 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2.131 | 1.1.126 |
| CUDA | 6.1 | + |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Quadro P400 outperforms GeForce 840M by 51% based on our aggregate benchmark results.
Passmark
This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.
Benchmark coverage: 25%
Quadro P400 outperforms GeForce 840M by 51% in Passmark.
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.
Benchmark coverage: 9%
GeForce 840M outperforms Quadro P400 by 1% in GeekBench 5 OpenCL.
GeekBench 5 Vulkan
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 Vulkan API by AMD & Khronos Group.
Benchmark coverage: 5%
Quadro P400 outperforms GeForce 840M by 6% in GeekBench 5 Vulkan.
GeekBench 5 CUDA
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 CUDA API by NVIDIA.
Benchmark coverage: 4%
Quadro P400 outperforms GeForce 840M by 2% in GeekBench 5 CUDA.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| 900p | 65−70
+44.4%
| 45
−44.4%
|
| Full HD | 24−27
+41.2%
| 17
−41.2%
|
Pros & cons summary
| Performance score | 4.24 | 2.81 |
| Recency | 7 February 2017 | 12 March 2014 |
| Maximum RAM amount | 2 GB | 4 GB |
| Chip lithography | 14 nm | 28 nm |
| Power consumption (TDP) | 30 Watt | 33 Watt |
The Quadro P400 is our recommended choice as it beats the GeForce 840M in performance tests.
Be aware that Quadro P400 is a workstation card while GeForce 840M is a notebook one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
