AMD Instinct MI355X vs AMD Radeon 740M 2600MHz Full Specs

Summary

16,384 Shaders 2.4GHz	256 Shaders 2.6GHz
288GB HBM3e8TB/s placeholder	Shared Memory89.6GB/sDDR5
Peak·FP32·FP16 157.3 TFLOPS	Peak·FP32·FP16 1.33 TFLOPS
Form Factor OAM Module	Form Factor iGPU
TDP 1400W	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 Tensor FP32 FP64 Tensor FP64 BF16 Tensor BF16 BF16 Tensor Sparse Tensor INT8 Tensor INT4 Memory Bandwidth TDP

Instinct MI355X20.13 PFLOPSFP4 Tensor Sparse

x7561.85

Radeon 740M 2600MHz2.66 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed2400MHz UC·Boost·OC	Clock Speed2600MHz UC·Base·Boost·OC
Peak OPS 20.13 PFLOPSFP4 Tensor Sparse	Peak OPS 2.66 TFLOPSFP16
Tensor FP4 10.07 PFLOPS FP4 Tensor Sparse 20.13 PFLOPS	-
Tensor FP8-16 5.03 PFLOPS FP8-16 Tensor Sparse 10.07 PFLOPS Tensor FP8-32 5.03 PFLOPS FP8-32 Tensor Sparse 10.07 PFLOPS	-
Tensor FP16-16 2.52 PFLOPS FP16-16 Tensor Sparse 5.03 PFLOPS Tensor FP16-32 2.52 PFLOPS FP16-32 Tensor Sparse 5.03 PFLOPS	-
BF16 - Tensor BF16 2.52 PFLOPS BF16 Tensor Sparse 5.03 PFLOPS	BF16 2.66 TFLOPS Tensor BF16 - BF16 Tensor Sparse -
FP32 157.3 TFLOPS Tensor FP32 157.3 TFLOPS	FP32 1.33 TFLOPS Tensor FP32 -
FP64 78.64 TFLOPS Tensor FP64 78.64 TFLOPS	FP64 83.2 GFLOPS Tensor FP64 -
Tensor INT4 5.03 POPS	Tensor INT4 -
Tensor INT8 5.03 POPS	-
Pixel Rate -	Pixel Rate 20.8 GPixel/s
Texture Rate -	Texture Rate 41.6 GTexel/s

Core Config

Shaders 16,384 Shaders	Shaders 256 Shaders
TMUs -	TMUs 16 TMUs
ROPs -	ROPs 8 ROPs
Tensor Cores 1,024 T-Cores	Tensor Cores -
RT Cores -	RT Cores 4 RT-Cores
CUs 256 CUs	CUs 4 CUs

Clocks

Base Clock -	Base Clock 1.5GHz
Boost Clock 2.4GHz	Boost Clock 2.6GHz

Cache

L0 Cache -	L0 Cache 32KB/WGP
L1 16KB/CU	L1 256KB/Array
L2 Cache 16MB shared	L2 Cache -
L3 Cache 256MB shared	L3 Cache -

Memory

288GB HBM3e placeholder	Shared MemoryDDR5
Memory Bus 8192-bit	Memory Bus 128-bit
Memory Speed 7.8GT/s	Memory Speed 5.6GT/s
Memory Bandwidth 8TB/s	Memory Bandwidth 89.6GB/s
ECC Yes	ECC No

Power & Thermals

TDP 1400W

TDP Shared

Video Output

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

API Support

Shader Model -	Shader Model 6.7
-	DirectX DirectX 12 Direct3D 12_2
OpenGL - OpenCL 3 Vulkan -	OpenGL 4.6 OpenCL 2.1 Vulkan 1.3
GFX 9.4	GFX 11

Encoder

Encoder 4x VCN 4.0	Encoder VCN 4.0
Codec VP9 AVC (H.264) HEVC (H.265) AV1	Codec VP9 AVC (H.264) HEVC (H.265) AV1

Decoder

Decoder 4x VCN 4.0	Decoder VCN 4.0
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1

Card

Form Factor OAM Module	Form Factor iGPU
PCIe PCIe 5.0 x16	PCIe -
Cooling Passive	Cooling Open-Air
Multi-GPU Multi-GPU Support Supported Multi-GPU Type Infinity Fabric	Multi-GPU -

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture CDNA 4	Architecture RDNA 3
Family Instinct	Family 700
Branding	Branding
Codename CDNA Next	Codename Phoenix
Market Segment Server	Market Segment Laptop
Release Date Jun 12, 2025	Release Date Jan 8, 2024

Fabrication

Foundry TSMC	Foundry TSMC
Other Foundries TSMCIO	Other Foundries -
Fabrication Node N3P N6IO	Fabrication Node N4 -
Die Size 1448mm²	Die Size 137mm²
Transistor Count 139.2B 46BIO	Transistor Count 20.9B -
Transistor Density 96.13 MTr/mm²	Transistor Density 153 MTr/mm²

Images