AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 3080 10GB Full Specs

Summary

5,120 Shaders 2.25GHz	8,704 Shaders 1.71GHz
16GB GDDR6512GB/s	10GB GDDR6X760.3GB/s
Peak·FP32·FP16 23.04 TFLOPS	Peak·FP32·FP16 29.77 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 300W	TDP 320W
Power Connectors - 2x 8-Pin	Power Connectors 1x 12-Pin -

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 6900 XT46.08 TFLOPSFP16

x1

GeForce RTX 3080 10GB952.6 TOPSINT4 Tensor Sparse

x20.67

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Theoretical Performance

Clock Speed2250MHz UC·Base·Boost·OC	Clock Speed1710MHz UC·Base·Boost·OC
Peak OPS 46.08 TFLOPSFP16	Peak OPS 952.6 TOPSINT4 Tensor Sparse
-	Tensor FP16-16 119.1 TFLOPS FP16-16 Tensor Sparse 238.1 TFLOPS Tensor FP16-32 59.54 TFLOPS FP16-32 Tensor Sparse 119.1 TFLOPS
-	BF16 29.77 TFLOPS Tensor BF16 59.54 TFLOPS BF16 Tensor Sparse 119.1 TFLOPS
Tensor TF32 -	Tensor TF32 29.77 TFLOPS
FP32 23.04 TFLOPS	FP32 29.77 TFLOPS
FP64 1.44 TFLOPS	FP64 465.1 GFLOPS
Tensor INT4 -	Tensor INT4 476.3 TOPS
-	Tensor INT8 238.1 TOPS
Ray -	Ray 44.9 TOPS
Pixel Rate 288 GPixel/s	Pixel Rate 164.2 GPixel/s
Texture Rate 720 GTexel/s	Texture Rate 465.1 GTexel/s

Core Config

Shaders 5,120 Shaders	Shaders 8,704 Shaders
TMUs 320 TMUs	TMUs 272 TMUs
ROPs 128 ROPs	ROPs 96 ROPs
Tensor Cores -	Tensor Cores 272 T-Cores
RT Cores 80 RT-Cores	RT Cores 68 RT-Cores
CUs 80 CUs	SMs 68 SMs

Clocks

Base Clock 1.82GHz	Base Clock 1.44GHz
Boost Clock 2.25GHz	Boost Clock 1.71GHz

Cache

L2 Cache 4.1MB shared	L2 Cache 5.1MB shared
L3 Cache 128MB shared	L3 Cache -
L3 Bandwidth 1.66TB/s	L3 Bandwidth -

Memory

16GB GDDR6	10GB GDDR6X
Memory Bus 256-bit	Memory Bus 320-bit
Memory Speed 16GT/s	Memory Speed 19GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 760.3GB/s

Power & Thermals

TDP 300W	TDP 320W
Max Temp 110°C Max	Max Temp 93°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 NVENC 7

Decoder

Decoder Model VCN 3.0

Decoder Model NVDEC 5

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2.5-Slots	PCIe 2-Slots
Height 120 mm (4.72") Width 267 mm (10.51") Depth 50 mm (1.97")	Height 112 mm (4.41") Width 285 mm (11.22") Depth 40 mm (1.57")
Cooling Open-Air 3x Fans	Cooling Open-Air 2x Fans
Power Connectors 2x 8-Pin	Power Connectors 1x 12-Pin

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 2	Architecture Ampere
Family Radeon RX 6000	Family GeForce 30
Branding	Branding
Codename Sienna Cichlid	Codename NV172
Chip Variant Navi 21 XL	Chip Variant GA102-200-KD-A1
Market Segment Desktop	Market Segment Desktop
Release Date Dec 8, 2020	Release Date Sep 17, 2020

Fabrication

Foundry TSMC	Foundry Samsung
Fabrication Node N7	Fabrication Node 8N
Die Size 520mm²	Die Size 628mm²
Transistor Count 26.8 Billion	Transistor Count 28.3 Billion
Transistor Density 51.56 MTr/mm²	Transistor Density 45.04 MTr/mm²

Images

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Used In

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