NVIDIA GeForce RTX 3080 Ti Laptop 135W vs Sapphire Radeon RX 6900 XT Nitro+ Full Specs

Summary

7,424 Shaders 1.46GHz	5,120 Shaders 2.29GHz
16GB GDDR6512GB/s	16GB GDDR6512GB/s
Peak·FP32·FP16 21.6 TFLOPS	Peak·FP32·FP16 23.4 TFLOPS
Form Factor Soldered	Form Factor PCIe Card
TDP 135W	TDP 340W
Power Connectors -	Power Connectors 2x 8-Pin

Highlights

Peak OPS

Peak OPS FP32 FP16 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 Tensor INT4 Memory Bandwidth TDP

GeForce RTX 3080 Ti Laptop 135W691.3 TOPSINT4 Tensor Sparse

x14.77

Radeon RX 6900 XT Nitro+46.8 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed1455MHz UC·Base·Boost·OC	Clock Speed2285MHz UC·Base·Boost·OC
Peak OPS 691.3 TOPSINT4 Tensor Sparse	Peak OPS 46.8 TFLOPSFP16
Tensor FP16-16 86.42 TFLOPS FP16-16 Tensor Sparse 172.8 TFLOPS Tensor FP16-32 43.21 TFLOPS FP16-32 Tensor Sparse 86.42 TFLOPS	-
BF16 21.6 TFLOPS Tensor BF16 43.21 TFLOPS BF16 Tensor Sparse 86.42 TFLOPS	-
Tensor TF32 21.6 TFLOPS	Tensor TF32 -
FP32 21.6 TFLOPS	FP32 23.4 TFLOPS
FP64 337.6 GFLOPS	FP64 1.46 TFLOPS
Tensor INT4 345.7 TOPS	Tensor INT4 -
Tensor INT8 172.8 TOPS	-
Ray 42.2 TOPS	Ray -
Pixel Rate 139.7 GPixel/s	Pixel Rate 292.5 GPixel/s
Texture Rate 337.6 GTexel/s	Texture Rate 731.2 GTexel/s

Core Config

Shaders 7,424 Shaders	Shaders 5,120 Shaders
TMUs 232 TMUs	TMUs 320 TMUs
ROPs 96 ROPs	ROPs 128 ROPs
Tensor Cores 232 T-Cores	Tensor Cores -
RT Cores 58 RT-Cores	RT Cores 80 RT-Cores
SMs 58 SMs	CUs 80 CUs

Clocks

Base Clock 1.08GHz	Base Clock 1.82GHz
Boost Clock 1.46GHz	Boost Clock 2.29GHz

Cache

L2 Cache 4.1MB shared	L2 Cache 4.1MB shared
L3 Cache -	L3 Cache 128MB shared
L3 Bandwidth -	L3 Bandwidth 1.66TB/s

Memory

16GB GDDR6	16GB GDDR6
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 16GT/s	Memory Speed 16GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 512GB/s

Power & Thermals

TDP 135W	TDP 340W
Max Temp -	Max Temp 110°C Max

Video Output

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

Ports

-	3x DisplayPort 1.4
-	1x HDMI 2.1

Encoder

Encoder Model NVENC 7

Encoder Model VCN 3.0

Decoder

Decoder Model NVDEC 5

Decoder Model VCN 3.0

Card

Form Factor Soldered	Form Factor PCIe Card
PCIe -	PCIe 2.7-Slots
-	Height 134.3 mm (5.29") Width 310 mm (12.2") Depth 55.3 mm (2.18")
Cooling Open-Air -	Cooling Open-Air 3x Fans
Power Connectors -	Power Connectors 2x 8-Pin

Chip

Manufacturer NVIDIA	Manufacturer Sapphire
Chip Designer NVIDIA	Chip Designer AMD
Architecture Ampere	Architecture RDNA 2
Family GeForce 30	Family Radeon RX 6000
Branding	Branding
Codename NV173	Codename Sienna Cichlid
Chip Variant GN20-E8-A1	Chip Variant Navi 21 XL
Market Segment Laptop	Market Segment Desktop
Release Date Jan 12, 2021	Release Date Dec 8, 2020

Fabrication

Foundry Samsung	Foundry TSMC
Fabrication Node 8N	Fabrication Node N7
Die Size 496mm²	Die Size 520mm²
Transistor Count 22 Billion	Transistor Count 26.8 Billion
Transistor Density 44.35 MTr/mm²	Transistor Density 51.56 MTr/mm²

Images

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