AMD Radeon RX 6800 vs Sapphire Radeon RX 6900 XT Nitro+ Full Specs

Summary

3,840 Shaders 2.1GHz	5,120 Shaders 2.29GHz
16GB GDDR6512GB/s	16GB GDDR6512GB/s
Peak·FP32·FP16 16.17 TFLOPS	Peak·FP32·FP16 23.4 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 250W	TDP 340W
Power Connectors 2x 8-Pin	Power Connectors 2x 8-Pin

Theoretical Performance

Clock Speed2105MHz UC·Base·Boost·OC	Clock Speed2285MHz UC·Base·Boost·OC
Peak OPS 32.33 TFLOPSFP16	Peak OPS 46.8 TFLOPSFP16
FP32 16.17 TFLOPS	FP32 23.4 TFLOPS
FP64 1.01 TFLOPS	FP64 1.46 TFLOPS
Pixel Rate 202.1 GPixel/s	Pixel Rate 292.5 GPixel/s
Texture Rate 505.2 GTexel/s	Texture Rate 731.2 GTexel/s

Core Config

Shaders 3,840 Shaders	Shaders 5,120 Shaders
TMUs 240 TMUs	TMUs 320 TMUs
ROPs 96 ROPs	ROPs 128 ROPs
RT Cores 60 RT-Cores	RT Cores 80 RT-Cores
CUs 60 CUs	CUs 80 CUs

Clocks

Base Clock 1.7GHz	Base Clock 1.82GHz
Boost Clock 2.1GHz	Boost Clock 2.29GHz

Cache

L2 Cache 4MB shared	L2 Cache 4MB shared
L3 Cache 128MB shared	L3 Cache 128MB shared
L3 Bandwidth 1.66TB/s	L3 Bandwidth 1.66TB/s

Memory

16GB GDDR6	16GB GDDR6
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 16GT/s	Memory Speed 16GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 512GB/s
ECC No	ECC No

Power & Thermals

TDP 250W	TDP 340W
Max Temp 110°C Max	Max Temp 110°C Max

Video Output

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

Ports

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

3x DisplayPort 1.4 1x HDMI 2.1 -

Encoder

Encoder Model VCN 3.0	Encoder Model VCN 3.0
Codec AVC (H.264) HEVC (H.265)	Codec AVC (H.264) HEVC (H.265)

Decoder

Decoder Model VCN 3.0	Decoder Model VCN 3.0
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 VP9 AVC (H.264) HEVC (H.265) AV1

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2.7-Slots
Height 120 mm (4.72") Width 267 mm (10.51") Depth 40 mm (1.57")	Height 134.3 mm (5.29") Width 310 mm (12.2") Depth 55.3 mm (2.18")
Cooling Open-Air 3x Fans	Cooling Open-Air 3x Fans
Power Connectors 2x 8-Pin	Power Connectors 2x 8-Pin

Chip

Manufacturer AMD	Manufacturer Sapphire
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 2	Architecture RDNA 2
Family Radeon RX 6000	Family Radeon RX 6000
Branding	Branding
Codename Sienna Cichlid	Codename Sienna Cichlid
Chip Variant Navi 21 XL	Chip Variant Navi 21 XL
Market Segment Desktop	Market Segment Desktop
Release Date Nov 18, 2020	Release Date Dec 8, 2020

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node N7
Die Size 520mm²	Die Size 520mm²
Transistor Count 26.8 Billion	Transistor Count 26.8 Billion
Transistor Density 51.56 MTr/mm²	Transistor Density 51.56 MTr/mm²

Images