NVIDIA A40 PCIe vs NVIDIA RTX PRO 4000 Blackwell SFF

Comparison of NVIDIA A40 PCIe with 48 GB GDDR6 and 10,752 cores vs NVIDIA RTX PRO 4000 Blackwell SFF with 24 GB GDDR7 and 8,960 cores.

Loading...

Performance Rating

NVIDIA A40 PCIe outperforms NVIDIA RTX PRO 4000 Blackwell SFF by 61.04% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA A40 PCIe

21.4

NVIDIA A40 PCIe

21.4
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

🔥 +100% 48 ГБ
24 GB

Memory Type

GDDR6 GDDR7

Memory Bandwidth

695.8 GB/s 432.0 GB/s

Memory Bus Width

384 бит 192 бит

ML Performance

FP16 (Half Precision)

🔥 +46% 37.42 TFLOPS
25.66 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +46% 37.42 TFLOPS
25.66 TFLOPS

FP64 (Double Precision)

🔥 +46% 0.5846 TFLOPS
0.401 TFLOPS

CUDA Cores

🔥 +20% 10,752
8,960

RT Cores

🔥 +20% 84
70

Architecture & Compatibility

GPU Architecture

Ampere Blackwell 2.0

SM (Streaming Multiprocessor)

🔥 +20% 84
70

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x8

ML Software Support

CUDA Version

8.6
🔥 12.0

Clocks & Performance

Base Clock

🔥 +126% 1,305
577

Boost Clock

🔥 +22% 1,740
1,432

Memory Clock

🔥 +61% 1,812
1,125

Power Consumption

Recommended PSU

700 W
🔥 -64% 250 W

Power Connector

8-pin EPS None

TDP/TGP

300 W
🔥 -77% 70 W

Rendering

Texture Units (TMU)

🔥 +20% 336
280

ROP

🔥 +20% 84
70

L2 Cache

🔥 6 MB
48 MB

Additional

Slots

Dual-slot Dual-slot

Release Date

Oct. 5, 2020 Aug. 11, 2025

Display Outputs

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

Renting is cheaper than buying