NVIDIA B300 vs Sapphire RX 460 OC 4 GB

Comparison of NVIDIA B300 with 144 GB HBM3e and 18,944 cores vs Sapphire RX 460 OC 4 GB with 4 GB GDDR5 and 896 cores.

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Performance Rating

NVIDIA B300 outperforms Sapphire RX 460 OC 4 GB by 3,646.35% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA B300

71.9

NVIDIA B300

71.9
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

Sapphire RX 460 OC 4 GB

1.9

Sapphire RX 460 OC 4 GB

1.9

Contents:

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

Memory

Memory Size

🔥 +3,500% 144 ГБ ×2 (288 ГБ)
4 GB

Memory Type

HBM3e GDDR5

Memory Bandwidth

🔥 4.10 TB/s ×2 (8.2 TB/s)
112.0 GB/s

Memory Bus Width

4,096 бит ×2 (8192 бит) 128 бит

ML Performance

FP16 (Half Precision)

🔥 1.2318 TFLOPS
2.179 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +3,433% 76.99 TFLOPS
2.179 TFLOPS

FP64 (Double Precision)

🔥 +783% 1.2029 TFLOPS
0.1362 TFLOPS

CUDA Cores

🔥 +2,014% 18,944 ×2 (37888)
896

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Blackwell Ultra GCN 4.0

SM (Streaming Multiprocessor)

🔥 148
No

PCIe Version

PCIe 5.0 x16 PCIe 3.0 x8

ML Software Support

CUDA Version

10.3 No

Clocks & Performance

Base Clock

🔥 +53% 1,665
1,090

Boost Clock

🔥 +67% 2,032
1,216

Memory Clock

🔥 +14% 2,000
1,750

Power Consumption

Recommended PSU

1800 W
🔥 -86% 250 W

Power Connector

No None

TDP/TGP

1400 W
🔥 -95% 75 W

Rendering

Texture Units (TMU)

🔥 +957% 592 ×2 (1184)
56

ROP

No No

L2 Cache

🔥 50 MB
1024 KB

Additional

Slots

🔥 SXM Module
Dual-slot

Release Date

Sept. 11, 2025 Aug. 8, 2016

Display Outputs

No outputs
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a

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