Intel Iris Pro P580 1100MHz vs AMD Radeon 660M 1800MHz Full Specs

Summary

576 Shaders 1.1GHz	384 Shaders 1.8GHz
Shared Memory34.1GB/s DDR4·DDR3L	Shared Memory102.4GB/s LPDDR5·DDR5
Peak·FP32·FP16 1.27 TFLOPS	Peak·FP32·FP16 1.38 TFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth

Iris Pro P580 1100MHz1.27 TFLOPSFP32

x1

Radeon 660M 1800MHz2.77 TFLOPSFP16

x2.18

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Theoretical Performance

Clock Speed1100MHz UC·Base·Boost·OC	Clock Speed1800MHz UC·Base·Boost·OC
Peak OPS 1.27 TFLOPSFP32	Peak OPS 2.77 TFLOPSFP16
FP32 1.27 TFLOPS	FP32 1.38 TFLOPS
FP64 316.8 GFLOPS	FP64 86.4 GFLOPS
Pixel Rate 9.9 GPixel/s	Pixel Rate 28.8 GPixel/s
Texture Rate 79.2 GTexel/s	Texture Rate 43.2 GTexel/s

Core Config

Shaders 576 Shaders	Shaders 384 Shaders
TMUs 72 TMUs	TMUs 24 TMUs
ROPs 9 ROPs	ROPs 16 ROPs
RT Cores -	RT Cores 6 RT-Cores
EUs 72 EUs	CUs 6 CUs

Clocks

Base Clock 350MHz	Base Clock 1.5GHz
Boost Clock 1.1GHz	Boost Clock 1.8GHz

Cache

L0 Cache -	L0 Cache 32KB/WGP
L1 -	L1 256KB/Array

Memory

Shared Memory DDR4·DDR3L	Shared Memory LPDDR5·DDR5
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 2.1GT/s	Memory Speed 6.4GT/s
Memory Bandwidth 34.1GB/s	Memory Bandwidth 102.4GB/s
ECC No	ECC No

Video Output

Max Resolution 4096x2304	Max Resolution 4096x2160
Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 68Hz	Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 64Hz
Multi-Monitor 3	Multi-Monitor 4
Adaptive Sync -	Adaptive Sync FreeSync
DSC Not Supported	DSC Not Supported
HDCP -	HDCP HDCP 2.2

API Support

Shader Model 6.4	Shader Model 6.7
DirectX DirectX 12 Direct3D 12_1	DirectX DirectX 12 Direct3D 12_2
OpenGL 4.6 OpenCL 3 Vulkan 1.2	OpenGL 4.6 OpenCL 2.2 Vulkan 1.3
-	GFX 10.3

Encoder

Encoder Quick Sync Video 5	Encoder VCN 3.1
Codec JPEG AVC (H.264) HEVC (H.265)	Codec - AVC (H.264) HEVC (H.265)

Decoder

Decoder Quick Sync Video 5	Decoder VCN 3.1
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP8 - AVC (H.264) HEVC (H.265) -	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 - VP9 AVC (H.264) HEVC (H.265) AV1

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer Intel	Manufacturer AMD
Chip Designer Intel	Chip Designer AMD
Architecture Gen 9	Architecture RDNA 2
Family Gen 9	Family 600
Branding	Branding
Codename Skylake	Codename Rembrandt
Chip Variant GT1	Chip Variant -
Market Segment Laptop	Market Segment Laptop
Release Date Jan 1, 2016	Release Date Jan 4, 2023

Fabrication

Foundry Intel	Foundry TSMC
Fabrication Node 14nm	Fabrication Node N6
Die Size 184mm²	Die Size 210mm²
Transistor Count 3.1B	Transistor Count 13.1B
Transistor Density 17 MTr/mm²	Transistor Density 62 MTr/mm²

Images

Used In

CPUs IntelXeon E3-1575M v54 Cores

CPUs AMDRyzen 3 7335U4 Cores

Competitors

IntelIris Pro P580 1100MHz vs GPU IntelIris Pro 580 1150MHz IntelIris Pro P580 1100MHz vs GPU IntelIris Pro 580 900MHz IntelIris Pro P580 1100MHz vs GPU IntelIris Pro 580 950MHz Show 12 more

AMDRadeon 660M 1800MHz vs GPU AMDRadeon 660M 1900MHz AMDRadeon 660M 1800MHz vs GPU AMDRadeon 6CU 1800MHz RDNA 2 AMDRadeon 660M 1800MHz vs GPU AMDRadeon 7CU 1800MHz RDNA 2 Show 12 more