NVIDIA H800 SXM5 vs Sapphire NITRO+ RX 7900 XTX Vapor-X

Comparison of NVIDIA H800 SXM5 with 80 GB HBM3 and 16,896 cores vs Sapphire NITRO+ RX 7900 XTX Vapor-X with 24 GB GDDR6 and 6,144 cores.

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Performance Rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA H800 SXM5

NVIDIA H800 SXM5

RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

Sapphire NITRO+ RX 7900 XTX Vapor-X

28.0

Sapphire NITRO+ RX 7900 XTX Vapor-X

28.0

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

80 GB
🔥 24 ГБ

Memory Type

HBM3 GDDR6

Memory Bandwidth

3.36 TB/s 960.0 GB/s

Memory Bus Width

5,120 бит 384 бит

ML Performance

FP16 (Half Precision)

237.2 TFLOPS
🔥 131.7 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

59.3 TFLOPS
🔥 +11% 65.86 TFLOPS

FP64 (Double Precision)

29.65 TFLOPS
🔥 2.058 TFLOPS

CUDA Cores

16,896
🔥 6,144

RT Cores

No
🔥 96

Architecture & Compatibility

GPU Architecture

Hopper RDNA 3.0

SM (Streaming Multiprocessor)

132 No

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

9.0 No

Clocks & Performance

Base Clock

1,095
🔥 +94% 2,119

Boost Clock

1,755
🔥 +53% 2,680

Memory Clock

1,313
🔥 +90% 2,500

Power Consumption

TDP/TGP

700 W
🔥 -40% 420 W

Recommended PSU

1100 W
🔥 -27% 800 W

Power Connector

8-pin EPS 3x 8-pin

Rendering

Texture Units (TMU)

528
🔥 384

ROP

No
🔥 96

L2 Cache

50 MB
🔥 6 MB

Additional

Slots

SXM Module Quad-slot

Release Date

March 21, 2023 Nov. 3, 2022

Display Outputs

No outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C

2x HDMI 2.1a
2x DisplayPort 2.1

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