AMD Radeon HD 8990 vs AMD Radeon RX 9060 Full Specs

Summary

4,096 Shaders 1GHz	1,792 Shaders 2.99GHz
6GB GDDR5576GB/s	8GB GDDR6288GB/s
Peak·FP32·FP16 8.19 TFLOPS	Peak·FP32·FP16 21.43 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 375W	TDP 132W
Power Connectors 2x 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 HD 89908.19 TFLOPSFP32 (2x 4.1 TFLOPS)

x1

Radeon RX 9060685.8 TOPSINT4 Tensor Sparse

x83.72

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Theoretical Performance

Clock Speed1000MHz UC·Base·Boost·OC	Clock Speed2990MHz UC·Base·Boost·OC
Peak OPS 8.19 TFLOPSFP32	Peak OPS 685.8 TOPSINT4 Tensor Sparse
-	Tensor FP8-16 85.73 TFLOPS FP8-16 Tensor Sparse 171.5 TFLOPS Tensor FP8-32 85.73 TFLOPS FP8-32 Tensor Sparse 171.5 TFLOPS
-	Tensor FP16-16 42.86 TFLOPS FP16-16 Tensor Sparse 85.73 TFLOPS Tensor FP16-32 42.86 TFLOPS FP16-32 Tensor Sparse 85.73 TFLOPS
-	BF16 42.86 TFLOPS Tensor BF16 42.86 TFLOPS BF16 Tensor Sparse 85.73 TFLOPS
FP32 8.19 TFLOPS	FP32 21.43 TFLOPS
FP64 2.05 TFLOPS	FP64 669.8 GFLOPS
Tensor INT4 -	Tensor INT4 342.9 TOPS
-	Tensor INT8 171.5 TOPS
Pixel Rate 32 GPixel/s	Pixel Rate 191.4 GPixel/s
Texture Rate 128 GTexel/s	Texture Rate 334.9 GTexel/s

Core Config

Shaders 4,096 Shaders	Shaders 1,792 Shaders
TMUs 256 TMUs	TMUs 112 TMUs
ROPs 64 ROPs	ROPs 64 ROPs
Tensor Cores -	Tensor Cores 56 T-Cores
RT Cores -	RT Cores 28 RT-Cores
CUs 64 CUs	CUs 28 CUs

Clocks

Base Clock 950MHz	Base Clock 2.4GHz
Boost Clock 1GHz	Boost Clock 2.99GHz

Cache

L2 Cache 768KB shared	L2 Cache 4.1MB shared
L3 Cache -	L3 Cache 32MB shared
L3 Bandwidth -	L3 Bandwidth 1.13TB/s

Memory

6GB GDDR5	8GB GDDR6
Memory Bus 384-bit	Memory Bus 128-bit
Memory Speed 6GT/s	Memory Speed 18GT/s
Memory Bandwidth 576GB/s	Memory Bandwidth 288GB/s

Power & Thermals

TDP 375W

TDP 132W

Video Output

Multi-Monitor 4	Multi-Monitor 3
HDCP -	HDCP HDCP 2.3

Ports

-	3x DisplayPort 2.1
4x Mini DisplayPort 1.2	-
-	1x HDMI 2.1
1x DVI-I Dual-Link	-

Encoder

Encoder Model VCE 1.0

Encoder Model VCN 4.0

Decoder

Decoder Model UVD 3.2

Decoder Model VCN 4.0

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2-Slots
Height 115 mm (4.53") Width 304 mm (11.97") Depth 38 mm (1.5")	Height 111 mm (4.37") Width 204 mm (8.03") Depth 40 mm (1.57")
Cooling Open-Air 3x Fans	Cooling Open-Air 3x Fans
Power Connectors 2x 8-Pin	Power Connectors 1x 8-Pin

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture GCN 1	Architecture RDNA 4
Family Radeon HD 8000	Family Radeon RX 9000
Branding	Branding
Codename Tahiti	Codename -
Chip Variant Tahiti LE	Chip Variant Navi 44 XL
Market Segment Desktop	Market Segment Desktop
Release Date Apr 24, 2013	Release Date Aug 5, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node N4P
Die Size 352mm²	Die Size 153mm²
Transistor Count 4.3 Billion	Transistor Count 29.7 Billion
Transistor Density 12.25 MTr/mm²	Transistor Density 194.1 MTr/mm²

Images

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