NVIDIA GeForce RTX 4080 Ti vs PowerColor Radeon RX 6800 XT Red Devil Full Specs

Summary

14,080 Shaders 2.4GHz	4,608 Shaders 2.34GHz
20GB GDDR6X840.3GB/s	16GB GDDR6512GB/s
Peak·FP32·FP16 67.58 TFLOPS	Peak·FP32·FP16 21.57 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 450W	TDP 300W
Power Connectors 1x 16-Pin 12VHPWR -	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 TF32 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

GeForce RTX 4080 Ti2.16 POPSINT4 Tensor Sparse

x50.14

Radeon RX 6800 XT Red Devil43.13 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed2400MHz UC·Base·Boost·OC	Clock Speed2340MHz UC·Base·Boost·OC
Peak OPS 2.16 POPSINT4 Tensor Sparse	Peak OPS 43.13 TFLOPSFP16
Tensor FP8-16 540.7 TFLOPS FP8-16 Tensor Sparse 1.08 PFLOPS Tensor FP8-32 270.3 TFLOPS FP8-32 Tensor Sparse 540.7 TFLOPS	-
Tensor FP16-16 270.3 TFLOPS FP16-16 Tensor Sparse 540.7 TFLOPS Tensor FP16-32 135.2 TFLOPS FP16-32 Tensor Sparse 270.3 TFLOPS	-
BF16 67.58 TFLOPS Tensor BF16 135.2 TFLOPS BF16 Tensor Sparse 270.3 TFLOPS	-
Tensor TF32 67.58 TFLOPS	Tensor TF32 -
FP32 67.58 TFLOPS	FP32 21.57 TFLOPS
FP64 1.06 TFLOPS	FP64 1.35 TFLOPS
Tensor INT4 1.08 POPS	Tensor INT4 -
Tensor INT8 540.7 TOPS	-
Ray 156.2 TOPS	Ray -
Pixel Rate 345.6 GPixel/s	Pixel Rate 299.5 GPixel/s
Texture Rate 1.06 TTexel/s	Texture Rate 673.9 GTexel/s

Core Config

Shaders 14,080 Shaders	Shaders 4,608 Shaders
TMUs 440 TMUs	TMUs 288 TMUs
ROPs 144 ROPs	ROPs 128 ROPs
Tensor Cores 440 T-Cores	Tensor Cores -
RT Cores 110 RT-Cores	RT Cores 72 RT-Cores
SMs 110 SMs	CUs 72 CUs

Clocks

Base Clock 2.1GHz	Base Clock 1.82GHz
Boost Clock 2.4GHz	Boost Clock 2.34GHz

Cache

L2 Cache 81.9MB shared	L2 Cache 4.1MB shared
L3 Cache -	L3 Cache 128MB shared
L3 Bandwidth -	L3 Bandwidth 1.66TB/s

Memory

20GB GDDR6X	16GB GDDR6
Memory Bus 320-bit	Memory Bus 256-bit
Memory Speed 21GT/s	Memory Speed 16GT/s
Memory Bandwidth 840.3GB/s	Memory Bandwidth 512GB/s

Power & Thermals

TDP 450W	TDP 300W
Max Temp 90°C Max	Max Temp 110°C Max

Video Output

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

Ports

3x DisplayPort 1.4	3x DisplayPort 1.4
1x HDMI 2.1	1x HDMI 2.1

Encoder

Encoder Model 2x NVENC 8

Encoder Model VCN 3.0

Decoder

Decoder Model NVDEC 5

Decoder Model VCN 3.0

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 3-Slots	PCIe 3.1-Slots
Height 137 mm (5.39") Width 304 mm (11.97") Depth 61 mm (2.4")	Height 135 mm (5.32") Width 320 mm (12.6") Depth 62 mm (2.44")
Cooling Open-Air 2x Fans	Cooling Open-Air 3x Fans
Power Connectors 1x 16-Pin 12VHPWR	Power Connectors 2x 8-Pin

Chip

Manufacturer NVIDIA	Manufacturer PowerColor
Chip Designer NVIDIA	Chip Designer AMD
Architecture Ada Lovelace	Architecture RDNA 2
Family GeForce 40	Family Radeon RX 6000
Branding	Branding
Codename NV182	Codename Sienna Cichlid
Chip Variant AD102-200-A1	Chip Variant Navi 21 XL
Market Segment Desktop	Market Segment Desktop
Release Date -	Release Date Nov 18, 2020

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 4N	Fabrication Node N7
Die Size 608mm²	Die Size 520mm²
Transistor Count 76.3 Billion	Transistor Count 26.8 Billion
Transistor Density 125.4 MTr/mm²	Transistor Density 51.56 MTr/mm²

Images

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Competitors

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PowerColorRadeon RX 6800 XT Red Devil vs GPU AMDRadeon RX 9070 XT PowerColorRadeon RX 6800 XT Red Devil vs GPU AMDRadeon RX 7800 XT PowerColorRadeon RX 6800 XT Red Devil vs GPU AMDRadeon RX 7900 GRE Show 12 more