PowerColor Radeon RX 6600 XT Hellhound vs AMD Radeon RX 9060 XT Full Specs

Summary

2,048 Shaders 2.59GHz	2,048 Shaders 3.13GHz
8GB GDDR6256GB/s	8GB GDDR6320GB/s
Peak·FP32·FP16 10.62 TFLOPS	Peak·FP32·FP16 25.64 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 160W	TDP 150W
Power Connectors 1x 8-Pin	Power Connectors 1x 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 6600 XT Hellhound21.24 TFLOPSFP16

x1

Radeon RX 9060 XT820.5 TOPSINT4 Tensor Sparse

x38.63

Show Top Score

Theoretical Performance

Clock Speed2593MHz UC·Base·Boost·OC	Clock Speed3130MHz UC·Base·Boost·OC
Peak OPS 21.24 TFLOPSFP16	Peak OPS 820.5 TOPSINT4 Tensor Sparse
-	Tensor FP8-16 102.6 TFLOPS FP8-16 Tensor Sparse 205.1 TFLOPS Tensor FP8-32 102.6 TFLOPS FP8-32 Tensor Sparse 205.1 TFLOPS
-	Tensor FP16-16 51.28 TFLOPS FP16-16 Tensor Sparse 102.6 TFLOPS Tensor FP16-32 51.28 TFLOPS FP16-32 Tensor Sparse 102.6 TFLOPS
-	BF16 51.28 TFLOPS Tensor BF16 51.28 TFLOPS BF16 Tensor Sparse 102.6 TFLOPS
FP32 10.62 TFLOPS	FP32 25.64 TFLOPS
FP64 663.8 GFLOPS	FP64 801.3 GFLOPS
Tensor INT4 -	Tensor INT4 410.3 TOPS
-	Tensor INT8 205.1 TOPS
Pixel Rate 166 GPixel/s	Pixel Rate 200.3 GPixel/s
Texture Rate 331.9 GTexel/s	Texture Rate 400.6 GTexel/s

Core Config

Shaders 2,048 Shaders	Shaders 2,048 Shaders
TMUs 128 TMUs	TMUs 128 TMUs
ROPs 64 ROPs	ROPs 64 ROPs
Tensor Cores -	Tensor Cores 64 T-Cores
RT Cores 32 RT-Cores	RT Cores 32 RT-Cores
CUs 32 CUs	CUs 32 CUs

Clocks

Base Clock 2.19GHz	Base Clock 2.53GHz
Boost Clock 2.59GHz	Boost Clock 3.13GHz

Cache

L2 Cache 2MB shared	L2 Cache 4.1MB shared
L3 Cache 32MB shared	L3 Cache 32MB shared
L3 Bandwidth 832GB/s	L3 Bandwidth 1.13TB/s

Memory

8GB GDDR6	8GB GDDR6
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 16GT/s	Memory Speed 20GT/s
Memory Bandwidth 256GB/s	Memory Bandwidth 320GB/s
ECC No	ECC No

Power & Thermals

TDP 160W	TDP 150W
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 2.2-Slots	PCIe 2-Slots
Height 132 mm (5.2") Width 220 mm (8.66") Depth 45 mm (1.77")	Height 111 mm (4.37") Width 204 mm (8.03") Depth 40 mm (1.57")
Cooling Open-Air 2x Fans	Cooling Open-Air 3x Fans
Power Connectors 1x 8-Pin	Power Connectors 1x 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 Dimgrey Cavefish	Codename -
Chip Variant Navi 23 XL	Chip Variant Navi 44 XL
Market Segment Desktop	Market Segment Desktop
Release Date Aug 11, 2021	Release Date May 20, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N7	Fabrication Node N4P
Die Size 237mm²	Die Size 153mm²
Transistor Count 11.1 Billion	Transistor Count 29.7 Billion
Transistor Density 46.67 MTr/mm²	Transistor Density 194.1 MTr/mm²

Images

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