H100 SXM5 80 GB vs Radeon RX 7900 GRE
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 30 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 69.66 | no data |
| Power efficiency | 19.22 | no data |
| Architecture | RDNA 3.0 (2022−2025) | Hopper (2022−2024) |
| GPU code name | Navi 31 | GH100 |
| Market segment | Desktop | Workstation |
| Release date | 27 July 2023 (2 years ago) | October 2022 (3 years ago) |
| Launch price (MSRP) | $549 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
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 | 5120 | 16896 |
| Core clock speed | 1287 MHz | 1590 MHz |
| Boost clock speed | 2245 MHz | 1980 MHz |
| Number of transistors | 57,700 million | 80,000 million |
| Manufacturing process technology | 5 nm | 5 nm |
| Power consumption (TDP) | 260 Watt | 700 Watt |
| Texture fill rate | 718.4 | 1,045 |
| Floating-point processing power | 45.98 TFLOPS | 66.91 TFLOPS |
| ROPs | 160 | 24 |
| TMUs | 320 | 528 |
| Tensor Cores | no data | 528 |
| Ray Tracing Cores | 80 | no data |
| L0 Cache | 2.5 MB | no data |
| L1 Cache | 2.5 MB | 33 MB |
| L2 Cache | 6 MB | 50 MB |
| L3 Cache | 64 MB | no data |
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 4.0 x16 | PCIe 5.0 x16 |
| Length | 276 mm | no data |
| Width | 2-slot | SXM Module |
| Supplementary power connectors | 2x 8-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 | GDDR6 | HBM3 |
| Maximum RAM amount | 16 GB | 80 GB |
| Memory bus width | 256 Bit | 5120 Bit |
| Memory clock speed | 2250 MHz | 1313 MHz |
| Memory bandwidth | 576.0 GB/s | 3.36 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 | 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C | No outputs |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | N/A |
| Shader Model | 6.8 | N/A |
| OpenGL | 4.6 | N/A |
| OpenCL | 2.2 | 3.0 |
| Vulkan | 1.3 | N/A |
| CUDA | - | 9.0 |
| DLSS | - | + |
Pros & cons summary
| Maximum RAM amount | 16 GB | 80 GB |
| Power consumption (TDP) | 260 Watt | 700 Watt |
RX 7900 GRE has 169.2% lower power consumption.
H100 SXM5 80 GB, on the other hand, has a 400% higher maximum VRAM amount.
We couldn't decide between Radeon RX 7900 GRE and H100 SXM5 80 GB. We've got no test results to judge.
Be aware that Radeon RX 7900 GRE is a desktop graphics card while H100 SXM5 80 GB is a workstation one.
Other comparisons
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