ROG Ally GPU vs H800 PCIe 80 GB
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Hopper (2022−2024) | RDNA 3.0 (2022−2026) |
| GPU code name | GH100 | Phoenix |
| Market segment | Workstation | Desktop |
| Release date | 21 March 2023 (3 years ago) | 2023 (3 years ago) |
| Launch price (MSRP) | no data | $599 |
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 | 14592 | 256 |
| Core clock speed | 1095 MHz | 1500 MHz |
| Boost clock speed | 1755 MHz | 2500 MHz |
| Number of transistors | 80,000 million | 25,390 million |
| Manufacturing process technology | 4 nm | 4 nm |
| Power consumption (TDP) | 350 Watt | 30 Watt |
| Texture fill rate | 800.3 | 40.00 |
| Floating-point processing power | 51.22 TFLOPS | 2.56 TFLOPS |
| ROPs | 24 | 8 |
| TMUs | 456 | 16 |
| Tensor Cores | 456 | no data |
| Ray Tracing Cores | no data | 4 |
| L0 Cache | no data | 64 KB |
| L1 Cache | 28.5 MB | 64 KB |
| L2 Cache | 50 MB | 6 MB |
| L3 Cache | no data | 16 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).
| Interface | PCIe 5.0 x16 | no data |
| Length | 268 mm | 280 mm |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 16-pin | None |
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 | HBM2e | LPDDR5 |
| Maximum RAM amount | 80 GB | 16 GB |
| Memory bus width | 5120 Bit | 64 Bit |
| Memory clock speed | 1593 MHz | 1600 MHz |
| Memory bandwidth | 2,039 GB/s | 51.2 GB/s |
| 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 |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | N/A | 12 Ultimate (12_2) |
| Shader Model | N/A | 6.7 |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | N/A | 1.3 |
| CUDA | 9.0 | - |
| DLSS | + | - |
Pros & cons summary
| Maximum RAM amount | 80 GB | 16 GB |
| Power consumption (TDP) | 350 Watt | 30 Watt |
H800 PCIe 80 GB has a 400% higher maximum VRAM amount.
ROG Ally GPU, on the other hand, has 1067% lower power consumption.
We couldn't decide between H800 PCIe 80 GB and ROG Ally GPU. We've got no test results to judge.
Be aware that H800 PCIe 80 GB is a workstation graphics card while ROG Ally GPU is a desktop one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
