Intel Arc B390 2500MHz vs Intel UHD 770 1660MHz Full Specs

Summary

1,536 Shaders 2.5GHz	256 Shaders 1.66GHz
Shared Memory153.6GB/sLPDDR5X	Shared Memory89.6GB/s DDR5·DDR4
Peak·FP32·FP16 7.68 TFLOPS	Peak·FP32·FP16 849.9 GFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP16-32 FP64 Tensor BF16 Tensor INT8 Tensor INT4 Memory Bandwidth

Arc B390 2500MHz245.8 TOPSINT4 Tensor

x144.58

UHD 770 1660MHz1.7 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed2500MHz UC·Boost·OC	Clock Speed1660MHz UC·Base·Boost·OC
Peak OPS 245.8 TOPSINT4 Tensor	Peak OPS 1.7 TFLOPSFP16
Tensor FP16-32 61.44 TFLOPS	-
Tensor BF16 61.44 TFLOPS	-
FP32 7.68 TFLOPS	FP32 849.9 GFLOPS
FP64 1.92 TFLOPS	FP64 212.5 GFLOPS
Tensor INT4 245.8 TOPS	Tensor INT4 -
Tensor INT8 122.9 TOPS	-
Pixel Rate 120 GPixel/s	Pixel Rate 13.3 GPixel/s
Texture Rate 240 GTexel/s	Texture Rate 26.6 GTexel/s

Core Config

Shaders 1,536 Shaders	Shaders 256 Shaders
TMUs 96 TMUs	TMUs 16 TMUs
ROPs 48 ROPs	ROPs 8 ROPs
Tensor Cores 96 T-Cores	Tensor Cores -
RT Cores 12 RT-Cores	RT Cores -
EUs 96 EUs	EUs 32 EUs

Clocks

Base Clock -	Base Clock 300MHz
Boost Clock 2.5GHz	Boost Clock 1.66GHz

Cache

L1 256KB/SM	L1 -
L2 Cache 16MB shared	L2 Cache -

Memory

Shared MemoryLPDDR5X	Shared Memory DDR5·DDR4
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 9.6GT/s	Memory Speed 5.6GT/s
Memory Bandwidth 153.6GB/s	Memory Bandwidth 89.6GB/s
ECC No	ECC -

Video Output

Max Resolution 7680x4320	Max Resolution 7680x4320
Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 60Hz	Refresh Rate Calculator 7680x4320 Resolution8K UHD Refresh Rate 60Hz
Multi-Monitor 3	Multi-Monitor 4
DSC Supported	DSC Supported

API Support

Shader Model 6.8	Shader Model 6.6
DirectX DirectX 12 Direct3D 12_2	DirectX DirectX 12 Direct3D 12_1
OpenGL 4.6 OpenCL 3 Vulkan 1.4	OpenGL 4.6 OpenCL 3 Vulkan 1.2

Encoder

Encoder Xe Media Engine	Encoder Quick Sync Video 8
Codec - VP9 AVC (H.264) HEVC (H.265) AV1	Codec JPEG VP9 AVC (H.264) HEVC (H.265) AV1

Decoder

Decoder Xe Media Engine	Decoder Quick Sync Video 8
Codec - MPEG-2 - JPEG VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) VVC (H.266) AV1	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) - AV1

Card

Form Factor iGPU	Form Factor iGPU
Cooling Open-Air	Cooling Passive

Chip

Manufacturer Intel	Manufacturer Intel
Chip Designer Intel	Chip Designer Intel
Architecture Battlemage	Architecture Gen 12
Family Gen 13	Family Gen 12
Branding	Branding
Codename Xe3 LPG	Codename Xe LP
Chip Variant GT1	Chip Variant -
Market Segment Laptop	Market Segment Desktop
Release Date Jan 5, 2026	Release Date Jan 1, 2025

Fabrication

Foundry Intel	Foundry Intel
Fabrication Node Intel 3	Fabrication Node Intel 7
Die Size 27mm²	Die Size 257mm²
Transistor Count -	Transistor Count 18.5B
Transistor Density -	Transistor Density 72 MTr/mm²

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