PowerColor Radeon RX 6800 XT Red Devil vs AMD Radeon RX 9070 XT Full Specs

Summary

4,608 Shaders 2.34GHz	4,096 Shaders 2.97GHz
16GB GDDR6512GB/s	16GB GDDR6640GB/s
Peak·FP32·FP16 21.57 TFLOPS	Peak·FP32·FP16 48.66 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 300W	TDP 304W
Power Connectors 2x 8-Pin	Power Connectors 2x 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 INT8 Tensor INT4 Memory Bandwidth TDP

Radeon RX 6800 XT Red Devil43.13 TFLOPSFP16

x1

Radeon RX 9070 XT1.56 POPSINT4 Tensor Sparse

x36.10

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Theoretical Performance

Clock Speed2340MHz UC·Base·Boost·OC	Clock Speed2970MHz UC·Base·Boost·OC
Peak OPS 43.13 TFLOPSFP16	Peak OPS 1.56 POPSINT4 Tensor Sparse
-	Tensor FP8-16 194.6 TFLOPS FP8-16 Tensor Sparse 389.3 TFLOPS Tensor FP8-32 194.6 TFLOPS FP8-32 Tensor Sparse 389.3 TFLOPS
-	Tensor FP16-16 97.32 TFLOPS FP16-16 Tensor Sparse 194.6 TFLOPS Tensor FP16-32 97.32 TFLOPS FP16-32 Tensor Sparse 194.6 TFLOPS
-	BF16 97.32 TFLOPS Tensor BF16 97.32 TFLOPS BF16 Tensor Sparse 194.6 TFLOPS
FP32 21.57 TFLOPS	FP32 48.66 TFLOPS
FP64 1.35 TFLOPS	FP64 1.52 TFLOPS
Tensor INT4 -	Tensor INT4 778.6 TOPS
-	Tensor INT8 389.3 TOPS
Pixel Rate 299.5 GPixel/s	Pixel Rate 380.2 GPixel/s
Texture Rate 673.9 GTexel/s	Texture Rate 760.3 GTexel/s

Core Config

Shaders 4,608 Shaders	Shaders 4,096 Shaders
TMUs 288 TMUs	TMUs 256 TMUs
ROPs 128 ROPs	ROPs 128 ROPs
Tensor Cores -	Tensor Cores 128 T-Cores
RT Cores 72 RT-Cores	RT Cores 64 RT-Cores
CUs 72 CUs	CUs 64 CUs

Clocks

Base Clock 1.82GHz	Base Clock 2.4GHz
Boost Clock 2.34GHz	Boost Clock 2.97GHz

Cache

L2 Cache 4.1MB shared	L2 Cache 8.2MB shared
L3 Cache 128MB shared	L3 Cache 64MB shared
L3 Bandwidth 1.66TB/s	L3 Bandwidth 2.25TB/s

Memory

16GB GDDR6	16GB GDDR6
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 16GT/s	Memory Speed 20GT/s
Memory Bandwidth 512GB/s	Memory Bandwidth 640GB/s

Power & Thermals

TDP 300W	TDP 304W
Max Temp 110°C Max	Max Temp -

Video Output

Multi-Monitor 4	Multi-Monitor 3
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 VCN 4.0

Decoder

Decoder Model VCN 3.0

Decoder Model VCN 4.0

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 3.1-Slots	PCIe 2.5-Slots
Height 135 mm (5.32") Width 320 mm (12.6") Depth 62 mm (2.44")	Height 111 mm (4.37") Width 267 mm (10.51") Depth 50 mm (1.97")
Cooling Open-Air 3x Fans	Cooling Open-Air 3x Fans
Power Connectors 2x 8-Pin	Power Connectors 2x 8-Pin

Chip

Manufacturer PowerColor	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 2	Architecture RDNA 4
Family Radeon RX 6000	Family Radeon RX 9000
Branding	Branding
Codename Sienna Cichlid	Codename -
Chip Variant Navi 21 XL	Chip Variant Navi 48 XL
Market Segment Desktop	Market Segment Desktop
Release Date Nov 18, 2020	Release Date Jan 6, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node N4P
Die Size 520mm²	Die Size 357mm²
Transistor Count 26.8 Billion	Transistor Count 53.9 Billion
Transistor Density 51.56 MTr/mm²	Transistor Density 151.2 MTr/mm²

Images

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