AMD Radeon 680M 2400MHz vs Apple 24-Core M1 Max Full Specs

Summary

768 Shaders 2.4GHz	3,072 Shaders 1.3GHz
Shared Memory204.8GB/s LPDDR5·DDR5	Shared Memory409.6GB/sLPDDR5
Peak·FP32·FP16 3.69 TFLOPS	Peak·FP32·FP16 7.96 TFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 FP64 Memory Bandwidth

Radeon 680M 2400MHz7.37 TFLOPSFP16

x1

24-Core M1 Max7.96 TFLOPSFP16

x1.08

Theoretical Performance

Clock Speed2400MHz UC·Base·Boost·OC	Clock Speed1296MHz UC·Boost·OC
Peak OPS 7.37 TFLOPSFP16	Peak OPS 7.96 TFLOPSFP16
FP32 3.69 TFLOPS	FP32 7.96 TFLOPS
FP64 230.4 GFLOPS	-
Pixel Rate 76.8 GPixel/s	Pixel Rate 124.4 GPixel/s
Texture Rate 115.2 GTexel/s	Texture Rate 248.8 GTexel/s

Core Config

Shaders 768 Shaders	Shaders 3,072 Shaders
TMUs 48 TMUs	TMUs 192 TMUs
ROPs 32 ROPs	ROPs 96 ROPs
RT Cores 12 RT-Cores	RT Cores -
CUs 12 CUs	EUs 384 EUs

Clocks

Base Clock 2GHz	Base Clock -
Boost Clock 2.4GHz	Boost Clock 1.3GHz

Cache

L2 Cache -

L2 Cache 4.1MB shared

Memory

Shared Memory LPDDR5·DDR5	Shared MemoryLPDDR5
Memory Bus 256-bit	Memory Bus 512-bit
Memory Speed 6.4GT/s	Memory Speed 6.4GT/s
Memory Bandwidth 204.8GB/s	Memory Bandwidth 409.6GB/s
ECC No	ECC No

Video Output

Multi-Monitor 4	Multi-Monitor 4
HDCP HDCP 2.2	HDCP -

Encoder

Encoder Model VCN 3.1	Encoder Model 2x Apple Media Engine 2
Codec AVC (H.264) HEVC (H.265) -	Codec AVC (H.264) HEVC (H.265) ProRes

Decoder

Decoder Model VCN 3.1	Decoder Model Apple Media Engine 2
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1 -	Codec - - - - - - AVC (H.264) HEVC (H.265) - ProRes

Card

Form Factor iGPU

Form Factor iGPU

Chip

Manufacturer AMD	Manufacturer Apple
Chip Designer AMD	Chip Designer Apple
Architecture RDNA 2	Architecture Apple Gen 4
Family 600	Family M Series
Branding	Branding
Codename Rembrandt	Codename G13C
Market Segment Laptop	Market Segment Desktop
Release Date Jan 4, 2022	Release Date Oct 26, 2021

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N6	Fabrication Node N5
Die Size 210mm²	Die Size 432mm²
Transistor Count 13.1 Billion	Transistor Count 57 Billion
Transistor Density 62 MTr/mm²	Transistor Density 132 MTr/mm²

Images

Used In

CPUs Ryzen 9 6900HS Ryzen 9 6980HS Ryzen 9 PRO 6950HS Show 4 more	CPUs M1 Max (10C24G)
Laptops -	Laptops MacBook Pro 14(M1 Max, Late 2021)MacBook Pro 16(M1 Max, Late 2021)
Desktops -	Desktops Mac Studio(M1 Max, Early 2022)

Competitors

AMDRadeon 680M 2400MHz vs GPU Apple10-Core M5 AMDRadeon 680M 2400MHz vs GPU IntelGraphics 4C 2300MHz AMDRadeon 680M 2400MHz vs GPU IntelArc B370 2400MHz Show 12 more

Apple24-Core M1 Max vs GPU Apple20-Core M5 Pro Apple24-Core M1 Max vs GPU Apple16-Core M5 Pro Apple24-Core M1 Max vs GPU Apple32-Core M5 Max Show 12 more