GEFORCE

NVIDIA H800 PCIe 80 GB

NVIDIA graphics card specifications and benchmark scores

80 GB
VRAM
1755
MHz Boost
350W
TDP
5120
Bus Width
๐Ÿค–Tensor Cores

NVIDIA H800 PCIe 80 GB Specifications

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H800 PCIe 80 GB GPU Core

Shader units and compute resources

The NVIDIA H800 PCIe 80 GB GPU core specifications define its raw processing power for graphics and compute workloads. Shading units (also called CUDA cores, stream processors, or execution units depending on manufacturer) handle the parallel calculations required for rendering. TMUs (Texture Mapping Units) process texture data, while ROPs (Render Output Units) handle final pixel output. Higher shader counts generally translate to better GPU benchmark performance, especially in demanding games and 3D applications.

Shading Units
14,592
Shaders
14,592
TMUs
456
ROPs
24
SM Count
114
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H800 PCIe 80 GB Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the H800 PCIe 80 GB's performance in GPU benchmarks and real-world gaming. The base clock represents the minimum guaranteed frequency, while the boost clock indicates peak performance under optimal thermal conditions. Memory clock speed affects texture loading and frame buffer operations. The H800 PCIe 80 GB by NVIDIA dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

Base Clock
1095 MHz
Base Clock
1,095 MHz
Boost Clock
1755 MHz
Boost Clock
1,755 MHz
Memory Clock
1593 MHz 3.2 Gbps effective
GDDR GDDR 6X 6X

NVIDIA's H800 PCIe 80 GB Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The H800 PCIe 80 GB's memory capacity determines how well it handles high-resolution textures and multiple displays. Memory bandwidth, measured in GB/s, affects how quickly data moves between the GPU and VRAM. Higher bandwidth improves performance in memory-intensive scenarios like 4K gaming. The memory bus width and type (GDDR6, GDDR6X, HBM) significantly influence overall GPU benchmark scores.

Memory Size
80 GB
VRAM
81,920 MB
Memory Type
HBM2e
VRAM Type
HBM2e
Memory Bus
5120 bit
Bus Width
5120-bit
Bandwidth
2.04 TB/s
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H800 PCIe 80 GB by NVIDIA Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the H800 PCIe 80 GB, reducing the need to fetch data from slower VRAM. L1 and L2 caches store frequently accessed data close to the compute units. AMD's Infinity Cache (L3) dramatically increases effective bandwidth, improving GPU benchmark performance without requiring wider memory buses. Larger cache sizes help maintain high frame rates in memory-bound scenarios and reduce power consumption by minimizing VRAM accesses.

L1 Cache
256 KB (per SM)
L2 Cache
50 MB
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H800 PCIe 80 GB Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the NVIDIA H800 PCIe 80 GB against other graphics cards. FP32 (single-precision) performance, measured in TFLOPS, indicates compute capability for gaming and general GPU workloads. FP64 (double-precision) matters for scientific computing. Pixel and texture fill rates determine how quickly the GPU can render complex scenes. While real-world GPU benchmark results depend on many factors, these specifications help predict relative performance levels.

FP32 (Float)
51.22 TFLOPS
FP64 (Double)
25.61 TFLOPS (1:2)
FP16 (Half)
204.9 TFLOPS (4:1)
Pixel Rate
42.12 GPixel/s
Texture Rate
800.3 GTexel/s
โœจ

H800 PCIe 80 GB Ray Tracing & AI

Hardware acceleration features

The NVIDIA H800 PCIe 80 GB includes dedicated hardware for ray tracing and AI acceleration. RT cores handle real-time ray tracing calculations for realistic lighting, reflections, and shadows in supported games. Tensor cores (NVIDIA) or XMX cores (Intel) accelerate AI workloads including DLSS, FSR, and XeSS upscaling technologies. These features enable higher visual quality without proportional performance costs, making the H800 PCIe 80 GB capable of delivering both stunning graphics and smooth frame rates in modern titles.

Tensor Cores
456
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Hopper Architecture & Process

Manufacturing and design details

The NVIDIA H800 PCIe 80 GB is built on NVIDIA's Hopper architecture, which defines how the GPU processes graphics and compute workloads. The manufacturing process node affects power efficiency, thermal characteristics, and maximum clock speeds. Smaller process nodes pack more transistors into the same die area, enabling higher performance per watt. Understanding the architecture helps predict how the H800 PCIe 80 GB will perform in GPU benchmarks compared to previous generations.

Architecture
Hopper
GPU Name
GH100
Process Node
5 nm
Foundry
TSMC
Transistors
80,000 million
Die Size
814 mmยฒ
Density
98.3M / mmยฒ
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NVIDIA's H800 PCIe 80 GB Power & Thermal

TDP and power requirements

Power specifications for the NVIDIA H800 PCIe 80 GB determine PSU requirements and thermal management needs. TDP (Thermal Design Power) indicates the heat output under typical loads, guiding cooler selection. Power connector requirements ensure adequate power delivery for stable operation during demanding GPU benchmarks. The suggested PSU wattage accounts for the entire system, not just the graphics card. Efficient power delivery enables the H800 PCIe 80 GB to maintain boost clocks without throttling.

TDP
350 W
TDP
350W
Power Connectors
1x 16-pin
Suggested PSU
750 W
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H800 PCIe 80 GB by NVIDIA Physical & Connectivity

Dimensions and outputs

Physical dimensions of the NVIDIA H800 PCIe 80 GB are critical for case compatibility. Card length, height, and slot width determine whether it fits in your chassis. The PCIe interface version affects bandwidth for communication with the CPU. Display outputs define monitor connectivity options, with modern cards supporting multiple high-resolution displays simultaneously. Verify these specifications against your case and motherboard before purchasing to ensure a proper fit.

Slot Width
Dual-slot
Length
268 mm 10.6 inches
Height
111 mm 4.4 inches
Bus Interface
PCIe 5.0 x16
Display Outputs
No outputs
Display Outputs
No outputs
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NVIDIA API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the NVIDIA H800 PCIe 80 GB. DirectX 12 Ultimate enables advanced features like ray tracing and variable rate shading. Vulkan provides cross-platform graphics capabilities with low-level hardware access. OpenGL remains important for professional applications and older games. CUDA (NVIDIA) and OpenCL enable GPU compute for video editing, 3D rendering, and scientific applications. Higher API versions unlock newer graphical features in GPU benchmarks and games.

OpenCL
3.0
CUDA
9.0
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H800 PCIe 80 GB Product Information

Release and pricing details

The NVIDIA H800 PCIe 80 GB is manufactured by NVIDIA as part of their graphics card lineup. Release date and launch pricing provide context for comparing GPU benchmark results with competing products from the same era. Understanding the product lifecycle helps evaluate whether the H800 PCIe 80 GB by NVIDIA represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
NVIDIA
Release Date
Mar 2023
Production
Active
Predecessor
Server Ada
Successor
Server Blackwell

H800 PCIe 80 GB Benchmark Scores

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No benchmark data available for this GPU.

About NVIDIA H800 PCIe 80 GB

Is the NVIDIA H800 PCIe 80 GB the next big thing for creators, or just another overhyped spec sheet? With 80 GB of HBM2e memory, a 1095 MHz base clock, and a 1755 MHz boost, itโ€™s built for professional workloads that demand more than your average GPU. But does the Hopper architecture and 5 nm process actually translate to real-world performance for content creation, or is it more about marketing than muscle? The PCIe 5.0 x16 interface promises lightning-fast data transfer, which could be a game-changer for workstation builds, but without benchmark data, how do we know itโ€™s delivering? The NVIDIA H800 PCIe 80 GB seems like itโ€™s tailored for heavy-duty tasks, yet its certifications and suitability for creative workflows remain unclear. Are these specs enough to justify the 350 WW TDP, or is there a hidden trade-off weโ€™re missing?

  • 80 GB HBM2e VRAM for handling massive 4K/8K projects
  • Hopper architecture optimized for AI-driven rendering
  • 5 nm process for improved efficiency and thermal management
  • PCIe 5.0 x16 interface for faster data throughput
  • Designed for professional workloads, but real-world validation is scarce
  • 350 WW TDP raises questions about power demands for creators

The AMD Equivalent of H800 PCIe 80 GB

Looking for a similar graphics card from AMD? The AMD Radeon RX 7600 offers comparable performance and features in the AMD lineup.

AMD Radeon RX 7600

AMD โ€ข 8 GB VRAM

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