AMD Steam Deck GPU vs NVIDIA B300

Comparison AMD Steam Deck GPU with 16 GB LPDDR5 and 512 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms AMD Steam Deck GPU by 3,154.75% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Steam Deck GPU

2.2

AMD Steam Deck GPU

2.2
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA B300

71.9

NVIDIA B300

71.9

Expert Comparison

AMD Steam Deck GPU лучше для мобильных и портативных устройств благодаря низкому энергопотреблению (15 Вт) и компактным размерам. NVIDIA B300 же обладает значительно большими вычислительными мощностями и памятью, что делает его более подходящим для мощных стационарных систем и задач с высокими требованиями производительности.

Contents:

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

Memory

Memory Size

16 GB
🔥 +800% 144 ГБ ×2 (288 ГБ)

Memory Type

LPDDR5 HBM3e

Memory Bandwidth

176.0 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

128 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

🔥 +166% 3.277 TFLOPS
1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

1.638 TFLOPS
🔥 +4,600% 76.99 TFLOPS

FP64 (Double Precision)

0.1024 TFLOPS
🔥 +1,075% 1.2029 TFLOPS

CUDA Cores

512
🔥 +3,600% 18,944 ×2 (37888)

RT Cores

🔥 8
No

Architecture & Compatibility

GPU Architecture

RDNA 2.0 Blackwell Ultra

SM (Streaming Multiprocessor)

No
🔥 148

PCIe Version

No PCIe 5.0 x16

ML Software Support

CUDA Version

No 10.3

CUDA Toolkit status

Supported Supported

Clocks & Performance

Base Clock

1,000
🔥 +66% 1,665

Boost Clock

1,600
🔥 +27% 2,032

Memory Clock

1,375
🔥 +45% 2,000

Power Consumption

Recommended PSU

No 1800 W

Power Connector

No No

TDP/TGP

🔥 -99% 15 W
1400 W

Rendering

Texture Units (TMU)

32
🔥 +1,750% 592 ×2 (1184)

ROP

🔥 8
No

L2 Cache

1024 KB
🔥 50 MB

Additional

Slots

No
🔥 SXM Module

Release Date

Feb. 25, 2022 Sept. 11, 2025

Display Outputs

1x USB Type-C
No outputs

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