H800 SXM5 vs Radeon RX 7800 XT
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 46 | not rated |
| Place by popularity | 75 | not in top-100 |
| Cost-effectiveness evaluation | 68.98 | no data |
| Power efficiency | 16.74 | no data |
| Architecture | RDNA 3.0 (2022−2025) | Hopper (2022−2024) |
| GPU code name | Navi 32 | GH100 |
| Market segment | Desktop | Workstation |
| Release date | 25 August 2023 (2 years ago) | 21 March 2023 (2 years ago) |
| Launch price (MSRP) | $499 | 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 | 3840 | 16896 |
| Core clock speed | 1295 MHz | 1095 MHz |
| Boost clock speed | 2430 MHz | 1755 MHz |
| Number of transistors | 28,100 million | 80,000 million |
| Manufacturing process technology | 5 nm | 4 nm |
| Power consumption (TDP) | 263 Watt | 700 Watt |
| Texture fill rate | 583.2 | 926.6 |
| Floating-point processing power | 37.32 TFLOPS | 59.3 TFLOPS |
| ROPs | 96 | 24 |
| TMUs | 240 | 528 |
| Tensor Cores | no data | 528 |
| Ray Tracing Cores | 60 | no data |
| L0 Cache | 960 KB | no data |
| L1 Cache | 768 KB | 33 MB |
| L2 Cache | 4 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 | 267 mm | no data |
| Width | 2-slot | SXM Module |
| Supplementary power connectors | 2x 8-pin | 8-pin EPS |
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 | 2438 MHz | 1313 MHz |
| Memory bandwidth | 624.1 GB/s | 1,681 GB/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, 3x DisplayPort 2.1 | 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 | 6.7 | N/A |
| OpenGL | 4.6 | N/A |
| OpenCL | 2.2 | 3.0 |
| Vulkan | 1.3 | N/A |
| CUDA | - | 9.0 |
| DLSS | - | + |
Pros & cons summary
| Recency | 25 August 2023 | 21 March 2023 |
| Maximum RAM amount | 16 GB | 80 GB |
| Chip lithography | 5 nm | 4 nm |
| Power consumption (TDP) | 263 Watt | 700 Watt |
RX 7800 XT has an age advantage of 5 months, and 166.2% lower power consumption.
H800 SXM5, on the other hand, has a 400% higher maximum VRAM amount, and a 25% more advanced lithography process.
We couldn't decide between Radeon RX 7800 XT and H800 SXM5. We've got no test results to judge.
Be aware that Radeon RX 7800 XT is a desktop graphics card while H800 SXM5 is a workstation one.
Other comparisons
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