H100 PCIe 80 GB vs GeForce 945M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 665 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 5.13 | no data |
| Architecture | Maxwell (2014−2017) | Hopper (2022−2024) |
| GPU code name | GM107 | GH100 |
| Market segment | Laptop | Workstation |
| Release date | 27 October 2015 (9 years ago) | October 2022 (3 years ago) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 640 | 14592 |
| Core clock speed | 928 MHz | 1095 MHz |
| Boost clock speed | 1020 MHz | 1755 MHz |
| Number of transistors | 1,870 million | 80,000 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | 75 Watt | 350 Watt |
| Texture fill rate | 40.80 | 800.3 |
| Floating-point processing power | 1.306 TFLOPS | 51.22 TFLOPS |
| ROPs | 16 | 24 |
| TMUs | 40 | 456 |
| Tensor Cores | no data | 456 |
| L1 Cache | 320 KB | 28.5 MB |
| L2 Cache | 2 MB | 50 MB |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Laptop size | medium sized | no data |
| Bus support | PCI Express 3.0 | no data |
| Interface | MXM-B (3.0) | PCIe 5.0 x16 |
| Length | no data | 268 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | None | 1x 16-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 | HBM2e |
| Maximum RAM amount | 2 GB | 80 GB |
| Memory bus width | 128 Bit | 5120 Bit |
| Memory clock speed | 900 MHz | 1593 MHz |
| Memory bandwidth | 28.8 GB/s | 2.04 TB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | No outputs |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| GPU Boost | 2.0 | no data |
| Optimus | + | - |
| GameWorks | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | N/A |
| Shader Model | 5.1 | N/A |
| OpenGL | 4.5 | N/A |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.1.126 | N/A |
| CUDA | + | 9.0 |
| DLSS | - | + |
Pros & cons summary
| Maximum RAM amount | 2 GB | 80 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 75 Watt | 350 Watt |
GeForce 945M has 366.7% lower power consumption.
H100 PCIe 80 GB, on the other hand, has a 3900% higher maximum VRAM amount, and a 460% more advanced lithography process.
We couldn't decide between GeForce 945M and H100 PCIe 80 GB. We've got no test results to judge.
Be aware that GeForce 945M is a notebook graphics card while H100 PCIe 80 GB is a workstation one.
Other comparisons
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