NVIDIA GeForce RTX 4080 Max-Q vs PowerColor Radeon RX 6900 XT Red Devil Full Specs

Summary

7,424 Shaders 1.35GHz	5,120 Shaders 2.34GHz
12GB GDDR6432GB/s	16GB GDDR6512GB/s
Peak·FP32·FP16 20.04 TFLOPS	Peak·FP32·FP16 23.96 TFLOPS
Form Factor Soldered	Form Factor PCIe Card
TDP 60W	TDP 390W
Power Connectors -	Power Connectors 3x 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 Max-Q641.4 TOPSINT4 Tensor Sparse

x13.38

Radeon RX 6900 XT Red Devil47.92 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed1350MHz UC·Base·Boost·OC	Clock Speed2340MHz UC·Base·Boost·OC
Peak OPS 641.4 TOPSINT4 Tensor Sparse	Peak OPS 47.92 TFLOPSFP16
Tensor FP8-16 160.4 TFLOPS FP8-16 Tensor Sparse 320.7 TFLOPS Tensor FP8-32 80.18 TFLOPS FP8-32 Tensor Sparse 160.4 TFLOPS	-
Tensor FP16-16 80.18 TFLOPS FP16-16 Tensor Sparse 160.4 TFLOPS Tensor FP16-32 40.09 TFLOPS FP16-32 Tensor Sparse 80.18 TFLOPS	-
BF16 20.04 TFLOPS Tensor BF16 40.09 TFLOPS BF16 Tensor Sparse 80.18 TFLOPS	-
Tensor TF32 20.04 TFLOPS	Tensor TF32 -
FP32 20.04 TFLOPS	FP32 23.96 TFLOPS
FP64 313.2 GFLOPS	FP64 1.5 TFLOPS
Tensor INT4 320.7 TOPS	Tensor INT4 -
Tensor INT8 160.4 TOPS	-
Ray 46.33 TOPS	Ray -
Pixel Rate 108 GPixel/s	Pixel Rate 299.5 GPixel/s
Texture Rate 313.2 GTexel/s	Texture Rate 748.8 GTexel/s

Core Config

Shaders 7,424 Shaders	Shaders 5,120 Shaders
TMUs 232 TMUs	TMUs 320 TMUs
ROPs 80 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 795MHz	Base Clock 1.82GHz
Boost Clock 1.35GHz	Boost Clock 2.34GHz

Cache

L2 Cache 49.1MB shared	L2 Cache 4.1MB shared
L3 Cache -	L3 Cache 128MB shared
L3 Bandwidth -	L3 Bandwidth 1.66TB/s

Memory

12GB GDDR6	16GB GDDR6
Memory Bus 192-bit	Memory Bus 256-bit
Memory Speed 18GT/s	Memory Speed 16GT/s
Memory Bandwidth 432GB/s	Memory Bandwidth 512GB/s

Power & Thermals

TDP 60W	TDP 390W
Max Temp -	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
-	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 Soldered	Form Factor PCIe Card
PCIe -	PCIe 3.1-Slots
-	Height 135 mm (5.32") Width 320 mm (12.6") Depth 62 mm (2.44")
Cooling Open-Air -	Cooling Open-Air 3x Fans
Power Connectors -	Power Connectors 3x 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 NV184	Codename Sienna Cichlid
Chip Variant AD104-250	Chip Variant Navi 21 XL
Market Segment Laptop	Market Segment Desktop
Release Date Feb 8, 2023	Release Date Dec 8, 2020

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 4N	Fabrication Node N7
Die Size 295mm²	Die Size 520mm²
Transistor Count 35.8 Billion	Transistor Count 26.8 Billion
Transistor Density 121.6 MTr/mm²	Transistor Density 51.56 MTr/mm²

Images

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