NVIDIA RTX A400 vs NVIDIA RTX PRO 4000 Blackwell SFF

Comparison of NVIDIA RTX A400 with 4 GB GDDR6 and 768 cores vs NVIDIA RTX PRO 4000 Blackwell SFF with 24 GB GDDR7 and 8,960 cores.

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Performance Rating

NVIDIA RTX PRO 4000 Blackwell SFF outperforms NVIDIA RTX A400 by 580.51% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA RTX A400

2.0

NVIDIA RTX A400

2.0
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

4 GB
🔥 +500% 24 ГБ

Memory Type

GDDR6 GDDR7

Memory Bandwidth

96.00 GB/s 432.0 GB/s

Memory Bus Width

64 бит 192 бит

ML Performance

FP16 (Half Precision)

2.706 TFLOPS
🔥 +848% 25.66 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

2.706 TFLOPS
🔥 +848% 25.66 TFLOPS

FP64 (Double Precision)

0.0423 TFLOPS
🔥 +848% 0.401 TFLOPS

CUDA Cores

768
🔥 +1,067% 8,960

RT Cores

6
🔥 +1,067% 70

Architecture & Compatibility

GPU Architecture

Ampere Blackwell 2.0

SM (Streaming Multiprocessor)

6
🔥 +1,067% 70

PCIe Version

PCIe 4.0 x8 PCIe 5.0 x8

ML Software Support

CUDA Version

8.6
🔥 12.0

Clocks & Performance

Base Clock

🔥 +146% 1,417
577

Boost Clock

🔥 +23% 1,762
1,432

Memory Clock

🔥 +33% 1,500
1,125

Power Consumption

Recommended PSU

250 W 250 W

Power Connector

None None

TDP/TGP

🔥 -29% 50 W
70 W

Rendering

Texture Units (TMU)

24
🔥 +1,067% 280

ROP

6
🔥 +1,067% 70

L2 Cache

2 MB
🔥 +2,300% 48 MB

Additional

Slots

Single-slot Dual-slot

Release Date

April 16, 2024 Aug. 11, 2025

Display Outputs

4x mini-DisplayPort 1.4a
4x mini-DisplayPort 2.1b

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