Sapphire NITRO+ RX 7900 XTX Vapor-X vs XFX Speedster QICK 308 RX 6650 XT ULTRA

Comparison of Sapphire NITRO+ RX 7900 XTX Vapor-X with 24 GB GDDR6 and 6,144 cores vs XFX Speedster QICK 308 RX 6650 XT ULTRA with 8 GB GDDR6 and 2,048 cores.

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Performance Rating

Sapphire NITRO+ RX 7900 XTX Vapor-X outperforms XFX Speedster QICK 308 RX 6650 XT ULTRA by 350.64% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Sapphire NITRO+ RX 7900 XTX Vapor-X

28.0

Sapphire NITRO+ RX 7900 XTX Vapor-X

28.0
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

XFX Speedster QICK 308 RX 6650 XT ULTRA

6.2

XFX Speedster QICK 308 RX 6650 XT ULTRA

6.2

Contents:

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

Memory

Memory Size

🔥 +200% 24 ГБ
8 ГБ

Memory Type

GDDR6 GDDR6

Memory Bandwidth

960.0 GB/s 280.3 GB/s

Memory Bus Width

384 бит 128 бит

ML Performance

FP16 (Half Precision)

🔥 +498% 131.7 TFLOPS
22.03 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +498% 65.86 TFLOPS
11.01 TFLOPS

FP64 (Double Precision)

🔥 +199% 2.058 TFLOPS
0.6884 TFLOPS

CUDA Cores

🔥 +200% 6,144
2,048

RT Cores

🔥 +200% 96
32

Architecture & Compatibility

GPU Architecture

RDNA 3.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x8

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

2,119
🔥 +2% 2,153

Boost Clock

2,680
🔥 2,689

Memory Clock

🔥 +14% 2,500
2,190

Power Consumption

TDP/TGP

420 W
🔥 -58% 176 W

Recommended PSU

800 W
🔥 -44% 450 W

Power Connector

3x 8-pin 1x 8-pin

Rendering

Texture Units (TMU)

🔥 +200% 384
128

ROP

🔥 +200% 96
32

L2 Cache

🔥 +200% 6 MB
2 MB

Additional

Slots

Quad-slot Dual-slot

Release Date

Nov. 3, 2022 May 10, 2022

Display Outputs

1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C

2x HDMI 2.1a
2x DisplayPort 2.1
1x HDMI 2.1
3x DisplayPort 1.4a

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