GeForce GTS 450 OEM vs 840M
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
Place in performance ranking | 765 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Architecture | Maxwell (2014−2018) | Fermi (2010−2014) |
GPU code name | N15S-GT | GF106 |
Market segment | Laptop | Desktop |
Release date | 12 March 2014 (10 years ago) | 11 October 2010 (13 years ago) |
Launch price (MSRP) | no data | $129 |
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 | 384 | 144 |
Core clock speed | 1029 MHz | 790 MHz |
Number of transistors | no data | 1,170 million |
Manufacturing process technology | 28 nm | 40 nm |
Power consumption (TDP) | 33 Watt | 106 Watt |
Texture fill rate | 17.98 | 18.96 |
Floating-point performance | 863.2 gflops | 455.0 gflops |
Form factor & compatibility
Information on GeForce 840M and GeForce GTS 450 OEM compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. 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 | medium sized | no data |
Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
Length | no data | 210 mm |
Width | no data | 2-slot |
Supplementary power connectors | no data | 1x 6-pin |
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 | DDR3 | GDDR5 |
Maximum RAM amount | 4 GB | 1536 MB |
Memory bus width | 64 Bit | 192 Bit |
Memory clock speed | 2000 MHz | 4000 MHz |
Memory bandwidth | 16.02 GB/s | 96 GB/s |
Shared memory | - | - |
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 | No outputs | 2x DVI, 1x mini-HDMI |
HDMI | no data | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
Optimus | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
DirectX | 12 (11_0) | 12 (11_0) |
Shader Model | 5.1 | 5.1 |
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 1.1 |
Vulkan | 1.1.126 | N/A |
CUDA | + | 2.1 |
Pros & cons summary
Recency | 12 March 2014 | 11 October 2010 |
Maximum RAM amount | 4 GB | 1536 MB |
Chip lithography | 28 nm | 40 nm |
Power consumption (TDP) | 33 Watt | 106 Watt |
GeForce 840M has an age advantage of 3 years, a 166.7% higher maximum VRAM amount, a 42.9% more advanced lithography process, and 221.2% lower power consumption.
We couldn't decide between GeForce 840M and GeForce GTS 450 OEM. We've got no test results to judge.
Be aware that GeForce 840M is a notebook card while GeForce GTS 450 OEM is a desktop 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
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