NVIDIA B300 vs NVIDIA GeForce RTX 4080 Ti

Comparison of NVIDIA B300 with 144 GB HBM3e and 18,944 cores vs NVIDIA GeForce RTX 4080 Ti with 16 GB GDDR6X and 14,080 cores.

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Performance Rating

NVIDIA B300 outperforms NVIDIA GeForce RTX 4080 Ti by 186.57% 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

NVIDIA GeForce RTX 4080 Ti

25.1

NVIDIA GeForce RTX 4080 Ti

25.1

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 GB

Memory Type

HBM3e GDDR6X

Memory Bandwidth

🔥 4.10 TB/s ×2 (8.2 TB/s)
678.4 GB/s

Memory Bus Width

4,096 бит ×2 (8192 бит) 256 бит

ML Performance

FP16 (Half Precision)

🔥 1.2318 TFLOPS
73.5 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +5% 76.99 TFLOPS
73.5 TFLOPS

FP64 (Double Precision)

🔥 +5% 1.2029 TFLOPS
1.1484 TFLOPS

CUDA Cores

🔥 +35% 18,944 ×2 (37888)
14,080

RT Cores

No 110

Architecture & Compatibility

GPU Architecture

Blackwell Ultra Ada Lovelace

SM (Streaming Multiprocessor)

🔥 +35% 148
110

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

🔥 10.3
8.9

Clocks & Performance

Base Clock

🔥 1,665
2,340

Boost Clock

🔥 2,032
2,610

Memory Clock

🔥 +51% 2,000
1,325

Power Consumption

Recommended PSU

1800 W
🔥 -56% 800 W

Power Connector

No 1x 16-pin

TDP/TGP

1400 W
🔥 -71% 400 W

Rendering

Texture Units (TMU)

🔥 +35% 592 ×2 (1184)
440

ROP

No 110

L2 Cache

🔥 50 MB
80 MB

Additional

Slots

🔥 SXM Module
Triple-slot

Release Date

Sept. 11, 2025 No

Display Outputs

No outputs
1x HDMI 2.1
3x DisplayPort 1.4a

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