NVIDIA H100 PCIe vs AMD Radeon RX 6950 XT. Specifications, performance, tests

Comparison of basic technical data of graphics cards NVIDIA H100 PCIe and AMD Radeon RX 6950 XT, chip, information processing units.

• Architecture
  Hopper RDNA 2
• Execution Units
  7296 80
• GPU Chip
  GH100 Navi 21 KXTX
• Render Output Units
  24 128
• Texture Units
  456 320
• Based on
  - AMD Radeon RX 6950 XT
• Compute Units
  - 80
• L1 Cache
  - 128 KB
• L2 Cache
  - 4 MB
• L3 Cache
  - 128 MB
• Ray Accelerators
  - 80
• RT Cores
  - 80
• Shader
  - 5120
• Streaming Multiprocessors
  - 80

Video memory capacity, type, bus width and bandwidth describe different properties. These values alone do not determine graphics performance.

• Memory Bandwidth
  1,280 GB/s 576 GB/s
• Memory Bus
  5120 bit 256 bit
• Memory Clock
  1000 MHz 2250 MHz
• Memory Data Rate
  2 Gbps 18 Gbps
• Memory Size
  80 GB 16 GB
• Memory Type
  HBM2e GDDR6
• Infinity Cache
  - 128 MB

Published GPU clock frequencies describe different operating modes. Clock speed alone does not determine graphics performance.

• Base Clock
  1065 MHz 1890 MHz
• Boost Clock
  1650 MHz 2310 MHz
• Game Clock
  - 2100 MHz
• Overclocking
  - Yes

Graphics card power limits and recommended system power supply describe different specifications.

• System Power Supply
  750 W (PSU recommendation) 850 W (System power requirement)
• TDP
  350 W 335 W
• Maximum Junction Temperature
  - 100 °C
• TDP (up)
  - -
• Typical Board Power
  - 335 W

Types and sizes of coolers for graphics card cooling system NVIDIA H100 PCIe and AMD Radeon RX 6950 XT.

• Cooler-Type
  - Air cooling
• Fan-Type
  - Axial
• Fan 1
  - -
• Fan 2
  - -
• Noise (Idle)
  - 0 dB / Silent
• Noise (Load)
  - -

Connectivity and connections.

• Max. Displays
  1 4
• PCIe Interface
  PCIe 5.0 x16 PCIe 4.0 x16
• Power Connectors
  8-pin EPS 2x8-Pin
• DisplayPort Ports
  - 2 × DisplayPort 1.4a
• DVI Ports
  - -
• HDCP Version
  - 2.3
• HDMI Ports
  - 1 × HDMI 2.1
• USB-C Ports
  - 1 × USB-C
• VGA Ports
  - -

Technical data that is used to its full potential in computer games.

• CUDA
  9.0 -
• DirectX
  No Conflicting source values: 12.2 | 12_2 (Ultimate)
• OpenCL
  3.0 2.1
• OpenGL
  No 4.6
• Shader Model
  No 6.5
• Vulkan
  No 1.3
• DLSS / FSR
  - Conflicting source values: No | Yes
• LED
  - No LED lighting
• Max. resolution
  - 7680 × 4320
• Raytracing
  - Yes

Built-in support for video and image compression standards.

• AV1
  - Decode
• h264
  - Decode / Encode
• h265 / HEVC
  - Decode / Encode
• VP8
  - Decode / Encode
• VP9
  - Decode / Encode

The difference in size, weight and slot of the compared devices

• Height
  - -
• Length
  - -
• Slot Size
  - 3 PCIe-Slots
• Weight
  - -
• Width
  - -

Comparison of interfaces and release dates for GPU AMD Radeon RX 6950 XT and NVIDIA H100 PCIe.

• Process Technology
  4 nm 7 nm
• Release date
  Q2/2022 2022-05-10
• Documents
  - data sheet
• Launch Price (historical)
  - 1,099 $ (Reference)
• Part Number
  - -

• FP16 (theoretical)
  96.31 TFLOPS 47.6 TFLOPS
• FP32 (theoretical)
  24.08 TFLOPS 23.8 TFLOPS
• FP64 (theoretical)
  12.04 TFLOPS 1,487 GFLOPS
• Pixel Rate
  39.60 GPixel/s 297.5 GPixel/s
• Texture Rate
  752.4 GTexel/s 743.7 GTexel/s