NVIDIA B300 vs NVIDIA Riva TNT

Comparison of NVIDIA B300 with 144 GB HBM3e and 18,944 cores vs NVIDIA Riva TNT with 16 GB SDR.

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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

NVIDIA Riva TNT

NVIDIA Riva TNT

Contents:

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

Memory

Memory Size

🔥 +800% 144 ГБ ×2 (288 ГБ)
16 MB

Memory Type

HBM3e SDR

Memory Bandwidth

🔥 +133% 4.10 TB/s ×2 (8.2 TB/s)
1.760 GB/s

Memory Bus Width

4,096 бит ×2 (8192 бит) 128 бит

ML Performance

FP16 (Half Precision)

🔥 1.2318 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 76.99 TFLOPS
No

FP64 (Double Precision)

🔥 1.2029 TFLOPS
No

CUDA Cores

🔥 18,944 ×2 (37888)
No

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Blackwell Ultra Fahrenheit

SM (Streaming Multiprocessor)

🔥 148
No

PCIe Version

PCIe 5.0 x16 AGP 2x

ML Software Support

CUDA Version

10.3 No

Clocks & Performance

Base Clock

🔥 1,665
No

Boost Clock

🔥 2,032
No

Memory Clock

🔥 +1,718% 2,000
110

Power Consumption

Recommended PSU

1800 W
🔥 -89% 200 W

Power Connector

No None

TDP/TGP

1400 W unknown

Rendering

Texture Units (TMU)

🔥 +29,500% 592 ×2 (1184)
2

ROP

No No

L2 Cache

🔥 50 MB
No

Additional

Slots

🔥 SXM Module
Single-slot

Release Date

Sept. 11, 2025 March 23, 1998

Display Outputs

No outputs
1x VGA

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