NVIDIA A800 SXM4 80 GB vs NVIDIA RTX PRO 4000 Blackwell

Comparison of NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores vs NVIDIA RTX PRO 4000 Blackwell with 24 GB GDDR7 and 8,960 cores.

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Performance Rating

NVIDIA A800 SXM4 80 GB outperforms NVIDIA RTX PRO 4000 Blackwell by 28.17% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA A800 SXM4 80 GB

25.9

NVIDIA A800 SXM4 80 GB

25.9
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA RTX PRO 4000 Blackwell

20.2

NVIDIA RTX PRO 4000 Blackwell

20.2

Contents:

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

Memory

Memory Size

🔥 +233% 80 ГБ
24 ГБ

Memory Type

HBM2e GDDR7

Memory Bandwidth

🔥 2.04 TB/s
672.0 GB/s

Memory Bus Width

5,120 бит 192 бит

ML Performance

FP16 (Half Precision)

🔥 +66% 77.97 TFLOPS
46.9 TFLOPS

BF16 (Brain Float)

🔥 311.84 TFLOPS
No

TF32 (TensorFloat)

🔥 155.92
No

Compute Power

FP32 (Single Precision)

19.49 TFLOPS
🔥 +141% 46.9 TFLOPS

FP64 (Double Precision)

🔥 +1,230% 9.746 TFLOPS
0.7328 TFLOPS

CUDA Cores

6,912
🔥 +30% 8,960

RT Cores

No
🔥 70

Architecture & Compatibility

GPU Architecture

Ampere Blackwell 2.0

SM (Streaming Multiprocessor)

🔥 +54% 108
70

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

8.0
🔥 12.0

Clocks & Performance

Base Clock

1,155
🔥 +38% 1,590

Boost Clock

1,410
🔥 +86% 2,617

Memory Clock

1,593
🔥 +10% 1,750

Power Consumption

TDP/TGP

400 W
🔥 -65% 140 W

Recommended PSU

800 W
🔥 -62% 300 W

Power Connector

None 1x 16-pin

Rendering

Texture Units (TMU)

🔥 +54% 432
280

ROP

No
🔥 70

L2 Cache

40 MB
🔥 +20% 48 MB

Additional

Slots

🔥 SXM Module
Single-slot

Release Date

Aug. 11, 2022 March 18, 2025

Display Outputs

No outputs
4x DisplayPort 2.1b

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