AMD Radeon HD 8850M vs NVIDIA B300

Comparison of AMD Radeon HD 8850M with 2 GB GDDR5 and 640 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms AMD Radeon HD 8850M by 6,883.5% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon HD 8850M

1.0

AMD Radeon HD 8850M

1.0
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

2 GB
🔥 +7,100% 144 ГБ ×2 (288 ГБ)

Memory Type

GDDR5 HBM3e

Memory Bandwidth

72.00 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)

No
🔥 1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

0.992 TFLOPS
🔥 +7,661% 76.99 TFLOPS

FP64 (Double Precision)

0.062 TFLOPS
🔥 +1,840% 1.2029 TFLOPS

CUDA Cores

640
🔥 +2,860% 18,944 ×2 (37888)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 1.0 Blackwell Ultra

SM (Streaming Multiprocessor)

No
🔥 148

PCIe Version

PCIe 3.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

No 10.3

Clocks & Performance

Base Clock

725
🔥 +130% 1,665

Boost Clock

775
🔥 +162% 2,032

Memory Clock

1,125
🔥 +78% 2,000

Power Consumption

Recommended PSU

No 1800 W

Power Connector

No No

TDP/TGP

No 1400 W

Rendering

Texture Units (TMU)

40
🔥 +1,380% 592 ×2 (1184)

ROP

No No

L2 Cache

256 KB
🔥 50 MB

Additional

Slots

No
🔥 SXM Module

Release Date

April 1, 2013 Sept. 11, 2025

Display Outputs

No
No outputs

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