AMD Radeon RX 6900 XT LC vs NVIDIA RTX PRO 4000 Blackwell SFF

Comparison of AMD Radeon RX 6900 XT LC with 16 GB GDDR6 and 5,120 cores vs NVIDIA RTX PRO 4000 Blackwell SFF with 24 GB GDDR7 and 8,960 cores.

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Performance Rating

AMD Radeon RX 6900 XT LC outperforms NVIDIA RTX PRO 4000 Blackwell SFF by 0.98% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon RX 6900 XT LC

13.4

AMD Radeon RX 6900 XT LC

13.4
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA RTX PRO 4000 Blackwell SFF

13.3

NVIDIA RTX PRO 4000 Blackwell SFF

13.3

Contents:

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

Memory

Memory Size

16 GB
🔥 +50% 24 ГБ

Memory Type

GDDR6 GDDR7

Memory Bandwidth

576.0 GB/s 432.0 GB/s

Memory Bus Width

256 бит 192 бит

ML Performance

FP16 (Half Precision)

🔥 +94% 49.87 TFLOPS
25.66 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

24.93 TFLOPS
🔥 +3% 25.66 TFLOPS

FP64 (Double Precision)

🔥 +289% 1.558 TFLOPS
0.401 TFLOPS

CUDA Cores

5,120
🔥 +75% 8,960

RT Cores

🔥 +14% 80
70

Architecture & Compatibility

GPU Architecture

RDNA 2.0 Blackwell 2.0

SM (Streaming Multiprocessor)

No
🔥 70

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x8

ML Software Support

CUDA Version

No 12.0

Clocks & Performance

Base Clock

🔥 +260% 2,075
577

Boost Clock

🔥 +70% 2,435
1,432

Memory Clock

🔥 +100% 2,250
1,125

Power Consumption

Recommended PSU

700 W
🔥 -64% 250 W

Power Connector

2x 8-pin None

TDP/TGP

330 W
🔥 -79% 70 W

Rendering

Texture Units (TMU)

🔥 +14% 320
280

ROP

🔥 +14% 80
70

L2 Cache

4 MB
🔥 +1,100% 48 MB

Additional

Slots

Dual-slot Dual-slot

Release Date

Oct. 28, 2020 Aug. 11, 2025

Display Outputs

1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
4x mini-DisplayPort 2.1b

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