NVIDIA RTX PRO 4000 Blackwell SFF vs SPARKLE GT 640 OC Dragon Cyclone

Comparison of NVIDIA RTX PRO 4000 Blackwell SFF with 24 GB GDDR7 and 8,960 cores vs SPARKLE GT 640 OC Dragon Cyclone with 2 GB DDR3 and 384 cores.

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Performance Rating

NVIDIA RTX PRO 4000 Blackwell SFF outperforms SPARKLE GT 640 OC Dragon Cyclone by 1,743.06% 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 GT 640 OC Dragon Cyclone

0.7

SPARKLE GT 640 OC Dragon Cyclone

0.7

Contents:

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

Memory

Memory Size

🔥 +1,100% 24 ГБ
2 GB

Memory Type

GDDR7 DDR3

Memory Bandwidth

432.0 GB/s 28.51 GB/s

Memory Bus Width

192 бит 128 бит

ML Performance

FP16 (Half Precision)

🔥 25.66 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +3,402% 25.66 TFLOPS
0.7327 TFLOPS

FP64 (Double Precision)

🔥 +1,215% 0.401 TFLOPS
0.0305 TFLOPS

CUDA Cores

🔥 +2,233% 8,960
384

RT Cores

🔥 70
No

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 Kepler

SM (Streaming Multiprocessor)

🔥 70
No

PCIe Version

PCIe 5.0 x8 PCIe 3.0 x16

ML Software Support

CUDA Version

🔥 12.0
3.0

Clocks & Performance

Base Clock

🔥 577
No

Boost Clock

🔥 1,432
No

Memory Clock

🔥 +26% 1,125
891

Power Consumption

Recommended PSU

250 W 250 W

Power Connector

None None

TDP/TGP

70 W
🔥 -7% 65 W

Rendering

Texture Units (TMU)

🔥 +775% 280
32

ROP

🔥 70
No

L2 Cache

🔥 48 MB
256 KB

Additional

Slots

Dual-slot Dual-slot

Release Date

Aug. 11, 2025 June 5, 2012

Display Outputs

4x mini-DisplayPort 2.1b
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

3x DVI
1x mini-HDMI 1.4a

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