PowerColor Radeon RX 6900 XT Red Devil vs NVIDIA GeForce RTX 5080 Full Specs

Summary

5,120 Shaders 2.34GHz	10,752 Shaders 2.62GHz
16GB GDDR6512GB/s	16GB GDDR7960GB/s
Peak·FP32·FP16 23.96 TFLOPS	Peak·FP32·FP16 56.28 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 390W	TDP 360W
Power Connectors - 3x 8-Pin	Power Connectors 1x 16-Pin 12VHPWR -

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP4 FP4 Tensor Sparse 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 Memory Bandwidth TDP

Radeon RX 6900 XT Red Devil47.92 TFLOPSFP16

x1

GeForce RTX 50801.8 PFLOPSFP4 Tensor Sparse

x37.58

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Theoretical Performance

Clock Speed2340MHz UC·Base·Boost·OC	Clock Speed2617MHz UC·Base·Boost·OC
Peak OPS 47.92 TFLOPSFP16	Peak OPS 1.8 PFLOPSFP4 Tensor Sparse
-	Tensor FP4 900.4 TFLOPS FP4 Tensor Sparse 1.8 PFLOPS
-	Tensor FP8-16 450.2 TFLOPS FP8-16 Tensor Sparse 900.4 TFLOPS Tensor FP8-32 225.1 TFLOPS FP8-32 Tensor Sparse 450.2 TFLOPS
-	Tensor FP16-16 225.1 TFLOPS FP16-16 Tensor Sparse 450.2 TFLOPS Tensor FP16-32 112.6 TFLOPS FP16-32 Tensor Sparse 225.1 TFLOPS
-	BF16 56.28 TFLOPS Tensor BF16 112.6 TFLOPS BF16 Tensor Sparse 225.1 TFLOPS
Tensor TF32 -	Tensor TF32 56.28 TFLOPS
FP32 23.96 TFLOPS	FP32 56.28 TFLOPS
FP64 1.5 TFLOPS	FP64 879.3 GFLOPS
-	Tensor INT8 450.2 TOPS
Ray -	Ray 170.7 TOPS
Pixel Rate 299.5 GPixel/s	Pixel Rate 293.1 GPixel/s
Texture Rate 748.8 GTexel/s	Texture Rate 879.3 GTexel/s

Core Config

Shaders 5,120 Shaders	Shaders 10,752 Shaders
TMUs 320 TMUs	TMUs 336 TMUs
ROPs 128 ROPs	ROPs 112 ROPs
Tensor Cores -	Tensor Cores 336 T-Cores
RT Cores 80 RT-Cores	RT Cores 84 RT-Cores
CUs 80 CUs	SMs 84 SMs

Clocks

Base Clock 1.82GHz	Base Clock 2.3GHz
Boost Clock 2.34GHz	Boost Clock 2.62GHz

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 GDDR7
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 16GT/s	Memory Speed 30GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 960GB/s

Power & Thermals

TDP 390W	TDP 360W
Max Temp 110°C Max	Max Temp 88°C Max

Video Output

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

Ports

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

Encoder

Encoder Model VCN 3.0

Encoder Model 2x NVENC 9

Decoder

Decoder Model VCN 3.0

Decoder Model 2x NVDEC 6

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 3.1-Slots	PCIe 2.1-Slots
Height 135 mm (5.32") Width 320 mm (12.6") Depth 62 mm (2.44")	Height 137 mm (5.39") Width 304 mm (11.97") Depth 42 mm (1.65")
Cooling Open-Air 3x Fans	Cooling Open-Air 2x Fans
Power Connectors 3x 8-Pin	Power Connectors 1x 16-Pin 12VHPWR

Chip

Manufacturer PowerColor	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 2	Architecture Blackwell
Family Radeon RX 6000	Family GeForce 50
Branding	Branding
Codename Sienna Cichlid	Codename NV193
Chip Variant Navi 21 XL	Chip Variant GB203-200-A1
Market Segment Desktop	Market Segment Desktop
Release Date Dec 8, 2020	Release Date Jan 6, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node 4NP
Die Size 520mm²	Die Size 378mm²
Transistor Count 26.8 Billion	Transistor Count 45.6 Billion
Transistor Density 51.56 MTr/mm²	Transistor Density 120.6 MTr/mm²

Images

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