NVIDIA A100 PCIe 80 GB vs Sapphire RX 7900 XTX

Comparison of NVIDIA A100 PCIe 80 GB with 80 GB HBM2e and 6,912 cores vs Sapphire RX 7900 XTX with 24 GB GDDR6 and 6,144 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

NVIDIA A100 PCIe 80 GB

NVIDIA A100 PCIe 80 GB

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

Sapphire RX 7900 XTX

Sapphire RX 7900 XTX

Contents:

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

Memory

Memory Size

80 GB 24 GB

Memory Type

HBM2e GDDR6

Memory Bandwidth

1.94 TB/s 960.0 GB/s

Memory Bus Width

5,120 бит 384 бит

ML Performance

FP16 (Half Precision)

77.97 TFLOPS 122.8 TFLOPS

BF16 (Brain Float)

311.84 TFLOPS No

TF32 (TensorFloat)

155.92 No

Compute Power

FP32 (Single Precision)

19.49 TFLOPS 61.39 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS 1.918 TFLOPS

CUDA Cores

6,912 6,144

RT Cores

No 96

Architecture & Compatibility

GPU Architecture

Ampere RDNA 3.0

SM (Streaming Multiprocessor)

108 No

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

8.0 No

Clocks & Performance

Base Clock

1,065 1,929

Boost Clock

1,410 2,498

Memory Clock

1,512 2,500

Power Consumption

TDP/TGP

🔥 -15% 300 W
355 W

Recommended PSU

🔥 -7% 700 W
750 W

Power Connector

8-pin EPS 2x 8-pin

Rendering

Texture Units (TMU)

432 384

ROP

No 96

L2 Cache

80 MB 6 MB

Additional

Slots

Dual-slot Dual-slot

Release Date

June 28, 2021 Nov. 3, 2022

Display Outputs

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

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