Gainward RTX 5090 D Snow OC vs NVIDIA B300

Comparison of Gainward RTX 5090 D Snow OC with 32 GB GDDR7 and 21,760 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms Gainward RTX 5090 D Snow OC by 62.22% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Gainward RTX 5090 D Snow OC

44.3

Gainward RTX 5090 D Snow OC

44.3
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

32 GB
🔥 +350% 144 ГБ ×2 (288 ГБ)

Memory Type

GDDR7 HBM3e

Memory Bandwidth

1.79 TB/s
🔥 +129% 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

512 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

🔥 +8,513% 106.1 TFLOPS
1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +38% 106.1 TFLOPS
76.99 TFLOPS

FP64 (Double Precision)

🔥 +38% 1.657 TFLOPS
1.2029 TFLOPS

CUDA Cores

🔥 +15% 21,760
18,944 ×2 (37888)

RT Cores

🔥 170
No

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 Blackwell Ultra

SM (Streaming Multiprocessor)

🔥 +15% 170
148

PCIe Version

PCIe 5.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

🔥 12.0
10.3

Clocks & Performance

Base Clock

🔥 +21% 2,017
1,665

Boost Clock

🔥 +20% 2,437
2,032

Memory Clock

1,750
🔥 +14% 2,000

Power Consumption

Recommended PSU

🔥 -47% 950 W
1800 W

Power Connector

1x 16-pin No

TDP/TGP

🔥 -59% 575 W
1400 W

Rendering

Texture Units (TMU)

🔥 +15% 680
592 ×2 (1184)

ROP

🔥 170
No

L2 Cache

🔥 +92% 96 MB
50 MB

Additional

Slots

Triple-slot
🔥 SXM Module

Release Date

Jan. 30, 2025 Sept. 11, 2025

Display Outputs

1x HDMI 2.1b
3x DisplayPort 2.1b
No outputs

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