NVIDIA A100 PCIe 80 GB vs Sapphire HD 7990

Comparison of NVIDIA A100 PCIe 80 GB with 80 GB HBM2e and 6,912 cores vs Sapphire HD 7990 with 3 GB GDDR5 and 2,048 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 HD 7990

Sapphire HD 7990

Contents:

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

Memory

Memory Size

80 GB 3 GB ×2 (6 ГБ)

Memory Type

HBM2e GDDR5

Memory Bandwidth

1.94 TB/s 288.0 GB/s ×2 (576 GB/s)

Memory Bus Width

5,120 бит 384 бит ×2 (768 бит)

ML Performance

FP16 (Half Precision)

77.97 TFLOPS No

BF16 (Brain Float)

311.84 TFLOPS No

TF32 (TensorFloat)

155.92 No

Compute Power

FP32 (Single Precision)

19.49 TFLOPS 4.096 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS 1.024 TFLOPS

CUDA Cores

6,912 2,048 ×2 (4096)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Ampere GCN 1.0

SM (Streaming Multiprocessor)

108 No

PCIe Version

PCIe 4.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

8.0 No

Clocks & Performance

Base Clock

1,065 950

Boost Clock

1,410 1,000

Memory Clock

1,512 1,500

Power Consumption

TDP/TGP

🔥 -20% 300 W
375 W

Recommended PSU

🔥 -7% 700 W
750 W

Power Connector

8-pin EPS 2x 8-pin

Rendering

Texture Units (TMU)

432 128 ×2 (256)

ROP

No No

L2 Cache

80 MB 768 KB

Additional

Slots

Dual-slot Dual-slot

Release Date

June 28, 2021 April 24, 2013

Display Outputs

No outputs
1x DVI
4x mini-DisplayPort 1.2

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