ASRock Phantom D RX 5700 XT OC vs NVIDIA B300

Comparison of ASRock Phantom D RX 5700 XT OC with 8 GB GDDR6 and 2,560 cores vs NVIDIA B300 with 144 GB HBM3e and 18,944 cores.

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Performance Rating

NVIDIA B300 outperforms ASRock Phantom D RX 5700 XT OC by 937.95% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

ASRock Phantom D RX 5700 XT OC

6.9

ASRock Phantom D RX 5700 XT OC

6.9
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

8 GB
🔥 +1,700% 144 ГБ ×2 (288 ГБ)

Memory Type

GDDR6 HBM3e

Memory Bandwidth

448.0 GB/s
🔥 4.10 TB/s ×2 (8.2 TB/s)

Memory Bus Width

256 бит 4,096 бит ×2 (8192 бит)

ML Performance

FP16 (Half Precision)

19.92 TFLOPS
🔥 1.2318 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

9.958 TFLOPS
🔥 +673% 76.99 TFLOPS

FP64 (Double Precision)

0.6224 TFLOPS
🔥 +93% 1.2029 TFLOPS

CUDA Cores

2,560
🔥 +640% 18,944 ×2 (37888)

RT Cores

No No

Architecture & Compatibility

GPU Architecture

RDNA 1.0 Blackwell Ultra

SM (Streaming Multiprocessor)

No
🔥 148

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

No 10.3

Clocks & Performance

Base Clock

1,690
🔥 1,665

Boost Clock

1,945
🔥 +4% 2,032

Memory Clock

1,750
🔥 +14% 2,000

Power Consumption

Recommended PSU

🔥 -69% 550 W
1800 W

Power Connector

2x 8-pin No

TDP/TGP

🔥 -84% 225 W
1400 W

Rendering

Texture Units (TMU)

160
🔥 +270% 592 ×2 (1184)

ROP

No No

L2 Cache

4 MB
🔥 +1,150% 50 MB

Additional

Slots

Triple-slot
🔥 SXM Module

Release Date

July 7, 2019 Sept. 11, 2025

Display Outputs

1x HDMI 2.0b
3x DisplayPort 1.4a
No outputs

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