AMD Radeon Pro V420 vs NVIDIA B300

Comparison of AMD Radeon Pro V420 with 32 GB HBM2 and 4,096 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms AMD Radeon Pro V420 by 370.75% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon Pro V420

15.3

AMD Radeon Pro V420

15.3
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA B300

71.9

NVIDIA B300

71.9

Contents:

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

Memory

Memory Size

32 GB
🔥 +350% 144 ГБ ×2 (288 ГБ)

Memory Type

HBM2 HBM3e

Memory Bandwidth

819.2 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

4,096 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

27.85 TFLOPS
🔥 1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

13.93 TFLOPS
🔥 +453% 76.99 TFLOPS

FP64 (Double Precision)

6.963 TFLOPS
🔥 1.2029 TFLOPS

CUDA Cores

4,096
🔥 +362% 18,944 ×2 (37888)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 5.1 Blackwell Ultra

SM (Streaming Multiprocessor)

No
🔥 148

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

No 10.3

Clocks & Performance

Base Clock

800
🔥 +108% 1,665

Boost Clock

1,700
🔥 +20% 2,032

Memory Clock

800
🔥 +150% 2,000

Power Consumption

Recommended PSU

🔥 -61% 700 W
1800 W

Power Connector

1x 6-pin + 1x 8-pin No

TDP/TGP

🔥 -79% 300 W
1400 W

Rendering

Texture Units (TMU)

256
🔥 +131% 592 ×2 (1184)

ROP

No No

L2 Cache

4 MB
🔥 +1,150% 50 MB

Additional

Slots

Dual-slot
🔥 SXM Module

Release Date

No Sept. 11, 2025

Display Outputs

6x mini-DisplayPort 1.4a
No outputs

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