NVIDIA RTX PRO 4000 Blackwell SFF vs Sapphire NITRO+ RX 6650 XT

Comparison of NVIDIA RTX PRO 4000 Blackwell SFF with 24 GB GDDR7 and 8,960 cores vs Sapphire NITRO+ RX 6650 XT with 8 GB GDDR6 and 2,048 cores.

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Performance Rating

NVIDIA RTX PRO 4000 Blackwell SFF outperforms Sapphire NITRO+ RX 6650 XT by 113.0% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA RTX PRO 4000 Blackwell SFF

13.3

NVIDIA RTX PRO 4000 Blackwell SFF

13.3
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

Sapphire NITRO+ RX 6650 XT

6.2

Sapphire NITRO+ RX 6650 XT

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 GB

Memory Type

GDDR7 GDDR6

Memory Bandwidth

432.0 GB/s 280.3 GB/s

Memory Bus Width

192 бит 128 бит

ML Performance

FP16 (Half Precision)

🔥 +16% 25.66 TFLOPS
22.07 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +133% 25.66 TFLOPS
11.03 TFLOPS

FP64 (Double Precision)

0.401 TFLOPS
🔥 +72% 0.6897 TFLOPS

CUDA Cores

🔥 +338% 8,960
2,048

RT Cores

🔥 +119% 70
32

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 RDNA 2.0

SM (Streaming Multiprocessor)

🔥 70
No

PCIe Version

PCIe 5.0 x8 PCIe 4.0 x8

ML Software Support

CUDA Version

12.0 No

Clocks & Performance

Base Clock

577
🔥 +280% 2,192

Boost Clock

1,432
🔥 +88% 2,694

Memory Clock

1,125
🔥 +95% 2,190

Power Consumption

Recommended PSU

🔥 -44% 250 W
450 W

Power Connector

None 1x 8-pin

TDP/TGP

🔥 -60% 70 W
176 W

Rendering

Texture Units (TMU)

🔥 +119% 280
128

ROP

🔥 +119% 70
32

L2 Cache

🔥 +2,300% 48 MB
2 MB

Additional

Slots

Dual-slot Triple-slot

Release Date

Aug. 11, 2025 May 10, 2022

Display Outputs

4x mini-DisplayPort 2.1b
1x HDMI 2.1
3x DisplayPort 1.4a

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