Apple 80-Core M3 Ultra vs NVIDIA GB10 Full Specs

Summary

10,240 Shaders 1.38GHz	6,144 Shaders 2.52GHz
Shared Memory819.2GB/sLPDDR5	Shared Memory273.1GB/sLPDDR5X
Peak·FP32·FP16 28.26 TFLOPS	Peak·FP32·FP16 31.03 TFLOPS
Form Factor iGPU	Form Factor iGPU
TDP Shared	TDP Shared

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP4 FP4 Tensor Sparse Tensor FP8-16 FP8-16 Tensor Sparse Tensor FP8-32 FP8-32 Tensor Sparse Tensor FP16-16 FP16-16 Tensor Sparse Tensor FP16-32 FP16-32 Tensor Sparse FP64 BF16 Tensor BF16 BF16 Tensor Sparse Tensor TF32 Tensor INT8 Memory Bandwidth

80-Core M3 Ultra28.26 TFLOPSFP16

x1

GB10992.9 TFLOPSFP4 Tensor Sparse

x35.13

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Theoretical Performance

Clock Speed1380MHz UC·Boost·OC	Clock Speed2525MHz UC·Base·Boost·OC
Peak OPS 28.26 TFLOPSFP16	Peak OPS 992.9 TFLOPSFP4 Tensor Sparse
-	Tensor FP4 496.4 TFLOPS FP4 Tensor Sparse 992.9 TFLOPS
-	Tensor FP8-16 248.2 TFLOPS FP8-16 Tensor Sparse 496.4 TFLOPS Tensor FP8-32 124.1 TFLOPS FP8-32 Tensor Sparse 248.2 TFLOPS
-	Tensor FP16-16 124.1 TFLOPS FP16-16 Tensor Sparse 248.2 TFLOPS Tensor FP16-32 62.05 TFLOPS FP16-32 Tensor Sparse 124.1 TFLOPS
-	BF16 62.05 TFLOPS Tensor BF16 62.05 TFLOPS BF16 Tensor Sparse 124.1 TFLOPS
Tensor TF32 -	Tensor TF32 31.03 TFLOPS
FP32 28.26 TFLOPS	FP32 31.03 TFLOPS
-	FP64 15.51 TFLOPS
-	Tensor INT8 248.2 TOPS
Ray -	Ray 94.1 TOPS
Pixel Rate 441.6 GPixel/s	Pixel Rate 80.8 GPixel/s
Texture Rate 883.2 GTexel/s	Texture Rate 484.8 GTexel/s

Core Config

Shaders 10,240 Shaders	Shaders 6,144 Shaders
TMUs 640 TMUs	TMUs 192 TMUs
ROPs 320 ROPs	ROPs 32 ROPs
Tensor Cores -	Tensor Cores 192 T-Cores
RT Cores 80 RT-Cores	RT Cores 48 RT-Cores
EUs 1,280 EUs	SMs 48 SMs

Clocks

Base Clock -	Base Clock 2.42GHz
Boost Clock 1.38GHz	Boost Clock 2.52GHz

Cache

L1 -	L1 64KB/SM Tex
L2 Cache 16MB shared	L2 Cache 24MB shared

Memory

Shared MemoryLPDDR5	Shared MemoryLPDDR5X
Memory Bus 1024-bit	Memory Bus 256-bit
Memory Speed 6.4GT/s	Memory Speed 8.5GT/s
Memory Bandwidth 819.2GB/s	Memory Bandwidth 273.1GB/s
ECC No	ECC No

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 165Hz
Multi-Monitor 8	Multi-Monitor 4
DSC Supported	DSC Supported
HDCP -	HDCP HDCP 2.3

API Support

Shader Model -	Shader Model 6.8
-	DirectX DirectX 12 Direct3D 12_3
-	OpenGL 4.6 OpenCL 3 Vulkan 1.3
-	CUDA 13 PureVideo HD VP13 VDPAU Feature Set M

Encoder

Encoder 4x Apple Media Engine 3	Encoder NVENC 9
Codec AVC (H.264) HEVC (H.265) - ProRes	Codec AVC (H.264) HEVC (H.265) AV1 -

Decoder

Decoder 2x Apple Media Engine 3	Decoder NVDEC 6
Codec - - - - - - AVC (H.264) HEVC (H.265) AV1 ProRes	Codec MPEG-1 MPEG-2 MPEG-4 VC-1 VP8 VP9 AVC (H.264) HEVC (H.265) AV1 -

Card

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

Chip

Manufacturer Apple	Manufacturer NVIDIA
Chip Designer Apple	Chip Designer NVIDIA
Architecture Apple Gen 6	Architecture Blackwell
Family M Series	Family -
Branding	Branding
Codename G15D	Codename Thor
Market Segment Workstation	Market Segment Embedded
Release Date Mar 5, 2025	Release Date Jan 6, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N3B	Fabrication Node N3E
Die Size 954mm²	Die Size -
Transistor Count 184B	Transistor Count -
Transistor Density 193 MTr/mm²	Transistor Density -

Images

Used In

CPUs AppleM3 Ultra (32C80G)32 Cores (24P+8E)	CPUs NVIDIAGrace Blackwell GB1020 Cores (10P+10E)
Desktops AppleMac StudioM3 Ultra, Early 2025	Desktops NVIDIADGX SparkLate 2025

Competitors

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