GIGABYTE GTX 660 WindForce 2X Rev. 2 vs Intel Arc B770

Comparison of GIGABYTE GTX 660 WindForce 2X Rev. 2 with 2 GB GDDR5 and 960 cores vs Intel Arc B770 with 16 GB GDDR6 and 4,096 cores.

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Performance Rating

Intel Arc B770 outperforms GIGABYTE GTX 660 WindForce 2X Rev. 2 by 534.81% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

GIGABYTE GTX 660 WindForce 2X Rev. 2

1.8

GIGABYTE GTX 660 WindForce 2X Rev. 2

1.8
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

Intel Arc B770

11.5

Intel Arc B770

11.5

Contents:

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

Memory

Memory Size

2 GB
🔥 +700% 16 ГБ

Memory Type

GDDR5 GDDR6

Memory Bandwidth

144.2 GB/s 512.0 GB/s

Memory Bus Width

192 бит 256 бит

ML Performance

FP16 (Half Precision)

No
🔥 39.32 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

2.008 TFLOPS
🔥 +879% 19.66 TFLOPS

FP64 (Double Precision)

0.0837 TFLOPS
🔥 +2,837% 2.458 TFLOPS

CUDA Cores

960
🔥 +327% 4,096

RT Cores

No
🔥 32

Architecture & Compatibility

GPU Architecture

Kepler Xe2-HPG

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 3.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

3.0 No

Clocks & Performance

Base Clock

980
🔥 +114% 2,100

Boost Clock

1,046
🔥 +129% 2,400

Memory Clock

1,502
🔥 +33% 2,000

Power Consumption

Recommended PSU

🔥 -45% 300 W
550 W

Power Connector

1x 6-pin 1x 6-pin + 1x 8-pin

TDP/TGP

🔥 -38% 140 W
225 W

Rendering

Texture Units (TMU)

80
🔥 +220% 256

ROP

No
🔥 32

L2 Cache

384 KB
🔥 16 MB

Additional

Slots

Dual-slot Dual-slot

Release Date

Nov. 27, 2013 March 12, 2026

Display Outputs

2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x HDMI 2.1a
3x DisplayPort 2.1

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