M4 Family

Comparing 3 tiers. Where a tier has multiple variants, values show the range across all configurations.

Spec	M4 Max	M4 Pro	M4
Current Devices	–	–	iMac iPad Air 13″ iPad Air 11″
CPU
CPU Cores	14 – 16	12 – 14	8 – 10
Performance Cores	10 – 12	8 – 10	3 – 4
Performance Core Speed (GHz)	4.51	4.51	4.4
Efficiency Cores	4	4	4 – 6
Efficiency Core Speed (GHz)	–	–	2.85
SLC Cache (MB)	–	36	20
GPU
GPU cores	32 – 40	16 – 20	8 – 10
Execution Units	512 – 640	256 – 320	128 – 160
ALU Count	4096 – 5120	2048 – 2560	1024 – 1280
GPU Frequency (GHz)	–	1578	1470
TFLOPS	13.64 – 17.04	6.82 – 8.52	3.41 – 4.26
Ray Tracing	✓	✓	✓
GPU Vendor	8th-gen Apple	8th-gen Apple	8th-gen Apple
NPU
Neural Engine cores	16	16	16
Neural Engine TOPS	38	38	38
Memory
Memory bandwidth (GB/s)	409.6 – 546	273	120
Memory bus width (bits)	384 – 512	256	128
Memory channels	–	–	2
Memory channel width (bits)	–	–	64
Memory type	LPDDR5X-8533	LPDDR5X-8533	LPDDR5X-7500
Memory options (GB)	36 48 64 128	24 48	8 12 16 24 32
Media Engine
Hardware Acceleration	H264 HEVC ProRes ProRes RAW	H264 HEVC ProRes ProRes RAW	H264 HEVC ProRes ProRes RAW
Video Decode	1	1	1
Video Encode	2	1	1
ProRes Engines	2	1	1
AV1 Decode	1	1	1
Semiconductor Tech
Process node (nm)	–	–	3
Release date	2024-11-08	2024-11-08	2024-05-15 / 2026-03-02

All Devices, Including Discontinued