MSI GeForce RTX 3080 Ti Ventus 3X vs XFX Radeon RX 6900 XT Speedster MERC 319 Full Specs

Summary

10,240 Shaders 1.7GHz	5,120 Shaders 2.37GHz
12GB GDDR6X912.4GB/s	16GB GDDR6512GB/s
Peak·FP32·FP16 34.71 TFLOPS	Peak·FP32·FP16 24.22 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 350W	TDP 350W
Power Connectors 2x 8-Pin	Power Connectors 2x 8-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

GeForce RTX 3080 Ti Ventus 3X1.11 POPSINT4 Tensor Sparse

x22.93

Radeon RX 6900 XT Speedster MERC 31948.44 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed1695MHz UC·Base·Boost·OC	Clock Speed2365MHz UC·Base·Boost·OC
Peak OPS 1.11 POPSINT4 Tensor Sparse	Peak OPS 48.44 TFLOPSFP16
Tensor FP16-16 138.9 TFLOPS FP16-16 Tensor Sparse 277.7 TFLOPS Tensor FP16-32 69.43 TFLOPS FP16-32 Tensor Sparse 138.9 TFLOPS	-
BF16 34.71 TFLOPS Tensor BF16 69.43 TFLOPS BF16 Tensor Sparse 138.9 TFLOPS	-
Tensor TF32 34.71 TFLOPS	Tensor TF32 -
FP32 34.71 TFLOPS	FP32 24.22 TFLOPS
FP64 542.4 GFLOPS	FP64 1.51 TFLOPS
Tensor INT4 555.4 TOPS	Tensor INT4 -
Tensor INT8 277.7 TOPS	-
Ray 52.36 TOPS	Ray -
Pixel Rate 189.8 GPixel/s	Pixel Rate 302.7 GPixel/s
Texture Rate 542.4 GTexel/s	Texture Rate 756.8 GTexel/s

Core Config

Shaders 10,240 Shaders	Shaders 5,120 Shaders
TMUs 320 TMUs	TMUs 320 TMUs
ROPs 112 ROPs	ROPs 128 ROPs
Tensor Cores 320 T-Cores	Tensor Cores -
RT Cores 80 RT-Cores	RT Cores 80 RT-Cores
SMs 80 SMs	CUs 80 CUs

Clocks

Base Clock 1.4GHz	Base Clock 1.95GHz
Boost Clock 1.7GHz	Boost Clock 2.37GHz

Cache

L2 Cache 6.1MB shared	L2 Cache 4.1MB shared
L3 Cache -	L3 Cache 128MB shared
L3 Bandwidth -	L3 Bandwidth 1.66TB/s

Memory

12GB GDDR6X	16GB GDDR6
Memory Bus 384-bit	Memory Bus 256-bit
Memory Speed 19GT/s	Memory Speed 16GT/s
Memory Bandwidth 912.4GB/s	Memory Bandwidth 512GB/s

Power & Thermals

TDP 350W	TDP 350W
Max Temp 93°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	2x DisplayPort 1.4
1x HDMI 2.1	1x HDMI 2.1
-	1x USB-C

Encoder

Encoder Model NVENC 7

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 2.8-Slots	PCIe 2.8-Slots
Height 120 mm (4.72") Width 305 mm (12.01") Depth 57 mm (2.24")	Height 139 mm (5.47") Width 340 mm (13.39") Depth 57 mm (2.24")
Cooling Open-Air 3x Fans	Cooling Open-Air 3x Fans
Power Connectors 2x 8-Pin	Power Connectors 2x 8-Pin

Chip

Manufacturer MSI	Manufacturer XFX
Chip Designer NVIDIA	Chip Designer AMD
Architecture Ampere	Architecture RDNA 2
Family GeForce 30	Family Radeon RX 6000
Branding	Branding
Codename NV172	Codename Sienna Cichlid
Chip Variant GA102-200-KD-A1	Chip Variant Navi 21 XL
Market Segment Desktop	Market Segment Desktop
Release Date Jun 3, 2021	Release Date Dec 8, 2020

Fabrication

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

Images

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