NVIDIA B300 vs PowerColor Red Devil RX 7900 XTX

Comparison of NVIDIA B300 with 144 GB HBM3e and 18,944 cores vs PowerColor Red Devil RX 7900 XTX with 24 GB GDDR6 and 6,144 cores.

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Performance Rating

NVIDIA B300 outperforms PowerColor Red Devil RX 7900 XTX by 162.9% 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

PowerColor Red Devil RX 7900 XTX

27.4

PowerColor Red Devil RX 7900 XTX

27.4

Contents:

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

Memory

Memory Size

🔥 +500% 144 ГБ ×2 (288 ГБ)
24 GB

Memory Type

HBM3e GDDR6

Memory Bandwidth

🔥 4.10 TB/s ×2 (8.2 TB/s)
960.0 GB/s

Memory Bus Width

4,096 бит ×2 (8192 бит) 384 бит

ML Performance

FP16 (Half Precision)

1.2318 TFLOPS
🔥 +10,137% 126.1 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +22% 76.99 TFLOPS
63.04 TFLOPS

FP64 (Double Precision)

1.2029 TFLOPS
🔥 +64% 1.97 TFLOPS

CUDA Cores

🔥 +208% 18,944 ×2 (37888)
6,144

RT Cores

No
🔥 96

Architecture & Compatibility

GPU Architecture

Blackwell Ultra RDNA 3.0

SM (Streaming Multiprocessor)

🔥 148
No

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

10.3 No

Clocks & Performance

Base Clock

1,665
🔥 +22% 2,029

Boost Clock

2,032
🔥 +26% 2,565

Memory Clock

2,000
🔥 +25% 2,500

Power Consumption

Recommended PSU

1800 W
🔥 -58% 750 W

Power Connector

No 3x 8-pin

TDP/TGP

1400 W
🔥 -75% 355 W

Rendering

Texture Units (TMU)

🔥 +54% 592 ×2 (1184)
384

ROP

No
🔥 96

L2 Cache

50 MB
🔥 6 MB

Additional

Slots

🔥 SXM Module
Quad-slot

Release Date

Sept. 11, 2025 Nov. 3, 2022

Display Outputs

No outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C

1x HDMI 2.1a
3x DisplayPort 2.1

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