AMD Radeon RX 6800 XT vs NVIDIA GeForce RTX 4080 Full Specs

Summary

4,608 Shaders 2.25GHz	9,728 Shaders 2.5GHz
16GB GDDR6512GB/s	16GB GDDR6X716.8GB/s
Peak·FP32·FP16 20.74 TFLOPS	Peak·FP32·FP16 48.74 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 300W	TDP 320W
Power Connectors - 2x 8-Pin	Power Connectors 1x 16-Pin 12VHPWR -

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

Radeon RX 6800 XT41.47 TFLOPSFP16

x1

GeForce RTX 40801.56 POPSINT4 Tensor Sparse

x37.61

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Theoretical Performance

Clock Speed2250MHz UC·Base·Boost·OC	Clock Speed2505MHz UC·Base·Boost·OC
Peak OPS 41.47 TFLOPSFP16	Peak OPS 1.56 POPSINT4 Tensor Sparse
-	Tensor FP8-16 389.9 TFLOPS FP8-16 Tensor Sparse 779.8 TFLOPS Tensor FP8-32 194.9 TFLOPS FP8-32 Tensor Sparse 389.9 TFLOPS
-	Tensor FP16-16 194.9 TFLOPS FP16-16 Tensor Sparse 389.9 TFLOPS Tensor FP16-32 97.47 TFLOPS FP16-32 Tensor Sparse 194.9 TFLOPS
-	BF16 48.74 TFLOPS Tensor BF16 97.47 TFLOPS BF16 Tensor Sparse 194.9 TFLOPS
Tensor TF32 -	Tensor TF32 48.74 TFLOPS
FP32 20.74 TFLOPS	FP32 48.74 TFLOPS
FP64 1.3 TFLOPS	FP64 761.5 GFLOPS
Tensor INT4 -	Tensor INT4 779.8 TOPS
-	Tensor INT8 389.9 TOPS
Ray -	Ray 112.7 TOPS
Pixel Rate 288 GPixel/s	Pixel Rate 280.6 GPixel/s
Texture Rate 648 GTexel/s	Texture Rate 761.5 GTexel/s

Core Config

Shaders 4,608 Shaders	Shaders 9,728 Shaders
TMUs 288 TMUs	TMUs 304 TMUs
ROPs 128 ROPs	ROPs 112 ROPs
Tensor Cores -	Tensor Cores 304 T-Cores
RT Cores 72 RT-Cores	RT Cores 76 RT-Cores
CUs 72 CUs	SMs 76 SMs

Clocks

Base Clock 1.82GHz	Base Clock 2.21GHz
Boost Clock 2.25GHz	Boost Clock 2.5GHz

Cache

L2 Cache 4.1MB shared	L2 Cache 65.5MB shared
L3 Cache 128MB shared	L3 Cache -
L3 Bandwidth 1.66TB/s	L3 Bandwidth -

Memory

16GB GDDR6	16GB GDDR6X
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 16GT/s	Memory Speed 22.4GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 716.8GB/s

Power & Thermals

TDP 300W	TDP 320W
Max Temp 110°C Max	Max Temp 90°C Max

Video Output

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

Ports

2x DisplayPort 1.4	3x DisplayPort 1.4
1x HDMI 2.1	1x HDMI 2.1
1x USB-C	-

Encoder

Encoder Model VCN 3.0

Encoder Model 2x NVENC 8

Decoder

Decoder Model VCN 3.0

Decoder Model NVDEC 5

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2.5-Slots	PCIe 3-Slots
Height 120 mm (4.72") Width 267 mm (10.51") Depth 50 mm (1.97")	Height 137 mm (5.39") Width 304 mm (11.97") Depth 61 mm (2.4")
Cooling Open-Air 3x Fans	Cooling Open-Air 2x Fans
Power Connectors 2x 8-Pin	Power Connectors 1x 16-Pin 12VHPWR

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 2	Architecture Ada Lovelace
Family Radeon RX 6000	Family GeForce 40
Branding	Branding
Codename Sienna Cichlid	Codename NV183
Chip Variant Navi 21 XL	Chip Variant AD103-275-A1
Market Segment Desktop	Market Segment Desktop
Release Date Nov 18, 2020	Release Date Nov 16, 2022

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node 4N
Die Size 520mm²	Die Size 379mm²
Transistor Count 26.8 Billion	Transistor Count 45.9 Billion
Transistor Density 51.56 MTr/mm²	Transistor Density 121.2 MTr/mm²

Images

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Used In

Desktops Aurora(R13, Late 2021)Aurora(R14, Late 2021)

Desktops -

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