AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 3080 Ti Laptop 135W Full Specs

Summary

5,376 Shaders 2.4GHz	7,424 Shaders 1.46GHz
20GB GDDR6800GB/s	16GB GDDR6512GB/s
Peak·FP32·FP16 51.61 TFLOPS	Peak·FP32·FP16 21.6 TFLOPS
Form Factor PCIe Card	Form Factor Soldered
TDP 315W	TDP 135W
Power Connectors 2x 8-Pin	Power Connectors -

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

Radeon RX 7900 XT206.4 TOPSINT4 Tensor

x1

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

x3.35

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Theoretical Performance

Clock Speed2400MHz UC·Base·Boost·OC	Clock Speed1455MHz UC·Base·Boost·OC
Peak OPS 206.4 TOPSINT4 Tensor	Peak OPS 691.3 TOPSINT4 Tensor Sparse
Tensor FP16-16 51.61 TFLOPS FP16-16 Tensor Sparse - Tensor FP16-32 51.61 TFLOPS FP16-32 Tensor Sparse -	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 103.2 TFLOPS Tensor BF16 51.61 TFLOPS BF16 Tensor Sparse -	BF16 21.6 TFLOPS Tensor BF16 43.21 TFLOPS BF16 Tensor Sparse 86.42 TFLOPS
Tensor TF32 -	Tensor TF32 21.6 TFLOPS
FP32 51.61 TFLOPS	FP32 21.6 TFLOPS
FP64 1.61 TFLOPS	FP64 337.6 GFLOPS
Tensor INT4 206.4 TOPS	Tensor INT4 345.7 TOPS
Tensor INT8 51.61 TOPS	Tensor INT8 172.8 TOPS
Ray -	Ray 42.2 TOPS
Pixel Rate 460.8 GPixel/s	Pixel Rate 139.7 GPixel/s
Texture Rate 806.4 GTexel/s	Texture Rate 337.6 GTexel/s

Core Config

Shaders 5,376 Shaders	Shaders 7,424 Shaders
TMUs 336 TMUs	TMUs 232 TMUs
ROPs 192 ROPs	ROPs 96 ROPs
Tensor Cores 168 T-Cores	Tensor Cores 232 T-Cores
RT Cores 84 RT-Cores	RT Cores 58 RT-Cores
CUs 84 CUs	SMs 58 SMs

Clocks

Base Clock 1.5GHz	Base Clock 1.08GHz
Boost Clock 2.4GHz	Boost Clock 1.46GHz

Cache

L2 Cache 6.1MB shared	L2 Cache 4.1MB shared
L3 Cache 80MB shared	L3 Cache -
L3 Bandwidth 2.9TB/s	L3 Bandwidth -

Memory

20GB GDDR6	16GB GDDR6
Memory Bus 320-bit	Memory Bus 256-bit
Memory Speed 20GT/s	Memory Speed 16GT/s
Memory Bandwidth 800GB/s	Memory Bandwidth 512GB/s

Power & Thermals

TDP 315W

TDP 135W

Video Output

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

Ports

2x DisplayPort 2.1	-
1x HDMI 2.1	-
1x USB-C	-

Encoder

Encoder Model VCN 4.0

Encoder Model NVENC 7

Decoder

Decoder Model VCN 4.0

Decoder Model NVDEC 5

Card

Form Factor PCIe Card	Form Factor Soldered
PCIe 2.5-Slots	PCIe -
Height 110 mm (4.33") Width 276 mm (10.87") Depth 51 mm (2.01")	-
Cooling Open-Air 3x Fans	Cooling Open-Air -
Power Connectors 2x 8-Pin	Power Connectors -

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 3	Architecture Ampere
Family Radeon RX 7000	Family GeForce 30
Branding	Branding
Codename Plum Bonito	Codename NV173
Chip Variant Navi 31 XL	Chip Variant GN20-E8-A1
Market Segment Desktop	Market Segment Laptop
Release Date Dec 13, 2022	Release Date Jan 12, 2021

Fabrication

Foundry TSMC	Foundry Samsung
Other Foundries TSMCMCD	Other Foundries -
Fabrication Node N5 N6MCD	Fabrication Node 8N -
Die Size 304mm² 225mm²MCD	Die Size 496mm² -
Transistor Count 45.4 Billion 12.3 BillionMCD	Transistor Count 22 Billion -
Transistor Density 149.2 MTr/mm² 54.67 MTr/mm²MCD	Transistor Density 44.35 MTr/mm² -

Images

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Competitors

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