GIGABYTE 6600 GT 3D1 vs NVIDIA RTX PRO 4000 Blackwell SFF

Comparison of GIGABYTE 6600 GT 3D1 with 128 GB GDDR3 vs NVIDIA RTX PRO 4000 Blackwell SFF with 24 GB GDDR7 and 8,960 cores.

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Performance Rating

A100 A100
H200 H200
MI325X MI325X

GIGABYTE 6600 GT 3D1

GIGABYTE 6600 GT 3D1

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

128 MB ×2 (256 ГБ)
🔥 24 ГБ

Memory Type

GDDR3 GDDR7

Memory Bandwidth

18.11 GB/s ×2 (36.22 GB/s) 432.0 GB/s

Memory Bus Width

128 бит ×2 (256 бит) 192 бит

ML Performance

FP16 (Half Precision)

No
🔥 25.66 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

No
🔥 25.66 TFLOPS

FP64 (Double Precision)

No
🔥 0.401 TFLOPS

CUDA Cores

No
🔥 8,960

RT Cores

No
🔥 70

Architecture & Compatibility

GPU Architecture

Curie Blackwell 2.0

SM (Streaming Multiprocessor)

No
🔥 70

PCIe Version

PCIe 1.0 x16 PCIe 5.0 x8

ML Software Support

CUDA Version

No 12.0

Clocks & Performance

Base Clock

No
🔥 577

Boost Clock

No
🔥 1,432

Memory Clock

566
🔥 +99% 1,125

Power Consumption

Recommended PSU

🔥 -20% 200 W
250 W

Power Connector

1x 6-pin None

TDP/TGP

unknown 70 W

Rendering

Texture Units (TMU)

8 ×2 (16)
🔥 +3,400% 280

ROP

No
🔥 70

L2 Cache

No
🔥 48 MB

Additional

Slots

Single-slot Dual-slot

Release Date

Dec. 28, 2004 Aug. 11, 2025

Display Outputs

1x DVI
1x VGA
1x S-Video
4x mini-DisplayPort 2.1b

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