AMD Radeon Instinct MI8 vs AMD Radeon RX 9070 Full Specs

Summary

4,096 Shaders 1GHz	3,584 Shaders 2.52GHz
4GB HBM512GB/s	16GB GDDR6640GB/s
Peak·FP32·FP16 8.19 TFLOPS	Peak·FP32·FP16 36.13 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 175W	TDP 220W
Power Connectors 1x 8-Pin	Power Connectors 2x 8-Pin

Highlights

Peak OPS

Peak OPS FP32 FP16 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 INT8 Tensor INT4 Memory Bandwidth TDP

Radeon Instinct MI88.19 TFLOPSFP32

x1

Radeon RX 90701.16 POPSINT4 Tensor Sparse

x141.12

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Theoretical Performance

Clock Speed1000MHz UC·Base·Boost·OC	Clock Speed2520MHz UC·Base·Boost·OC
Peak OPS 8.19 TFLOPSFP32	Peak OPS 1.16 POPSINT4 Tensor Sparse
-	Tensor FP8-16 144.5 TFLOPS FP8-16 Tensor Sparse 289 TFLOPS Tensor FP8-32 144.5 TFLOPS FP8-32 Tensor Sparse 289 TFLOPS
-	Tensor FP16-16 72.25 TFLOPS FP16-16 Tensor Sparse 144.5 TFLOPS Tensor FP16-32 72.25 TFLOPS FP16-32 Tensor Sparse 144.5 TFLOPS
-	BF16 72.25 TFLOPS Tensor BF16 72.25 TFLOPS BF16 Tensor Sparse 144.5 TFLOPS
FP32 8.19 TFLOPS	FP32 36.13 TFLOPS
FP64 512 GFLOPS	FP64 1.13 TFLOPS
Tensor INT4 -	Tensor INT4 578 TOPS
-	Tensor INT8 289 TOPS
Pixel Rate 64 GPixel/s	Pixel Rate 322.6 GPixel/s
Texture Rate 256 GTexel/s	Texture Rate 564.5 GTexel/s

Core Config

Shaders 4,096 Shaders	Shaders 3,584 Shaders
TMUs 256 TMUs	TMUs 224 TMUs
ROPs 64 ROPs	ROPs 128 ROPs
Tensor Cores -	Tensor Cores 112 T-Cores
RT Cores -	RT Cores 56 RT-Cores
CUs 64 CUs	CUs 56 CUs

Clocks

Base Clock 1GHz	Base Clock 2.21GHz
Boost Clock 1GHz	Boost Clock 2.52GHz

Cache

L2 Cache 2MB shared	L2 Cache 8.2MB shared
L3 Cache -	L3 Cache 64MB shared
L3 Bandwidth -	L3 Bandwidth 2.25TB/s

Memory

4GB HBM	16GB GDDR6
Memory Bus 4096-bit	Memory Bus 256-bit
Memory Speed 1GT/s	Memory Speed 20GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 640GB/s
ECC Yes	ECC -

Power & Thermals

TDP 175W

TDP 220W

Video Output

Multi-Monitor 4	Multi-Monitor 3
HDCP HDCP 1.4	HDCP HDCP 2.3

Ports

-	3x DisplayPort 2.1
-	1x HDMI 2.1

Encoder

Encoder Model VCE 3.0

Encoder Model VCN 4.0

Decoder

Decoder Model UVD 6.0

Decoder Model VCN 4.0

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2.5-Slots
Height 111 mm (4.37") Width 152 mm (5.98") Depth 37 mm (1.46")	Height 111 mm (4.37") Width 267 mm (10.51") Depth 50 mm (1.97")
Cooling Passive -	Cooling Open-Air 3x Fans
Power Connectors 1x 8-Pin	Power Connectors 2x 8-Pin

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture GCN 3	Architecture RDNA 4
Family Instinct	Family Radeon RX 9000
Branding	Branding
Codename Fiji	Codename -
Chip Variant Fiji Pro	Chip Variant Navi 48 XL
Market Segment Server	Market Segment Desktop
Release Date Jun 20, 2017	Release Date Jan 6, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node N4P
Die Size 596mm²	Die Size 357mm²
Transistor Count 8.9 Billion	Transistor Count 53.9 Billion
Transistor Density 14.93 MTr/mm²	Transistor Density 151.2 MTr/mm²

Images

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