NVIDIA RTX PRO 4000 Blackwell SFF vs SPARKLE Calibre GT 520

Comparison of NVIDIA RTX PRO 4000 Blackwell SFF with 24 GB GDDR7 and 8,960 cores vs SPARKLE Calibre GT 520 with 1,024 GB DDR3 and 48 cores.

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Performance Rating

NVIDIA RTX PRO 4000 Blackwell SFF outperforms SPARKLE Calibre GT 520 by 1,823.19% 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

SPARKLE Calibre GT 520

0.7

SPARKLE Calibre GT 520

0.7

Contents:

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

Memory

Memory Size

🔥 24 ГБ
1,024 MB

Memory Type

GDDR7 DDR3

Memory Bandwidth

432.0 GB/s 16.00 GB/s

Memory Bus Width

192 бит 64 бит

ML Performance

FP16 (Half Precision)

🔥 25.66 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +14,750% 25.66 TFLOPS
0.1728 TFLOPS

FP64 (Double Precision)

🔥 +2,685% 0.401 TFLOPS
0.0144 TFLOPS

CUDA Cores

🔥 +18,567% 8,960
48

RT Cores

🔥 70
No

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 Fermi 2.0

SM (Streaming Multiprocessor)

🔥 +6,900% 70
1

PCIe Version

PCIe 5.0 x8 PCIe 2.0 x16

ML Software Support

CUDA Version

🔥 12.0
2.1

Clocks & Performance

Base Clock

🔥 577
No

Boost Clock

🔥 1,432
No

Memory Clock

🔥 +12% 1,125
1,000

Power Consumption

Recommended PSU

250 W
🔥 -20% 200 W

Power Connector

None None

TDP/TGP

70 W
🔥 -59% 29 W

Rendering

Texture Units (TMU)

🔥 +3,400% 280
8

ROP

🔥 70
No

L2 Cache

🔥 48 MB
128 KB

Additional

Slots

Dual-slot Single-slot

Release Date

Aug. 11, 2025 April 13, 2011

Display Outputs

4x mini-DisplayPort 2.1b
1x DVI
1x HDMI 1.3a
1x VGA

1x DVI
1x HDMI 1.3a

Renting is cheaper than buying