Intel Arc B770 vs SPARKLE GTX 660 Ti

Comparison of Intel Arc B770 with 16 GB GDDR6 and 4,096 cores vs SPARKLE GTX 660 Ti with 2 GB GDDR5 and 1,344 cores.

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Performance Rating

Intel Arc B770 outperforms SPARKLE GTX 660 Ti by 447.14% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

Intel Arc B770

11.5

Intel Arc B770

11.5
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

SPARKLE GTX 660 Ti

2.1

SPARKLE GTX 660 Ti

2.1

Contents:

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

Memory

Memory Size

🔥 +700% 16 ГБ
2 GB

Memory Type

GDDR6 GDDR5

Memory Bandwidth

512.0 GB/s 144.2 GB/s

Memory Bus Width

256 бит 192 бит

ML Performance

FP16 (Half Precision)

🔥 39.32 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +646% 19.66 TFLOPS
2.634 TFLOPS

FP64 (Double Precision)

🔥 +2,139% 2.458 TFLOPS
0.1098 TFLOPS

CUDA Cores

🔥 +205% 4,096
1,344

RT Cores

🔥 32
No

Architecture & Compatibility

GPU Architecture

Xe2-HPG Kepler

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

No 3.0

Clocks & Performance

Base Clock

🔥 +130% 2,100
915

Boost Clock

🔥 +145% 2,400
980

Memory Clock

🔥 +33% 2,000
1,502

Power Consumption

Recommended PSU

550 W
🔥 -18% 450 W

Power Connector

1x 6-pin + 1x 8-pin 2x 6-pin

TDP/TGP

225 W
🔥 -33% 150 W

Rendering

Texture Units (TMU)

🔥 +129% 256
112

ROP

🔥 32
No

L2 Cache

🔥 16 MB
384 KB

Additional

Slots

Dual-slot Dual-slot

Release Date

March 12, 2026 Aug. 16, 2012

Display Outputs

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

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