NVIDIA GeForce GTX 660 vs AMD Radeon RX 9060 Full Specs

Summary

960 Shaders 1.08GHz	1,792 Shaders 2.99GHz
2GB GDDR5144.2GB/s	8GB GDDR6288GB/s
Peak·FP32·FP16 2.08 TFLOPS	Peak·FP32·FP16 21.43 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 140W	TDP 132W
Power Connectors - 1x 6-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

GeForce GTX 6602.08 TFLOPSFP32

x1

Radeon RX 9060685.8 TOPSINT4 Tensor Sparse

x329.53

Show Top Score

Theoretical Performance

Clock Speed1084MHz UC·Base·Boost·OC	Clock Speed2990MHz UC·Base·Boost·OC
Peak OPS 2.08 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 2.08 TFLOPS	FP32 21.43 TFLOPS
FP64 86.72 GFLOPS	FP64 669.8 GFLOPS
Tensor INT4 -	Tensor INT4 342.9 TOPS
-	Tensor INT8 171.5 TOPS
Pixel Rate 26 GPixel/s	Pixel Rate 191.4 GPixel/s
Texture Rate 86.7 GTexel/s	Texture Rate 334.9 GTexel/s

Core Config

Shaders 960 Shaders	Shaders 1,792 Shaders
TMUs 80 TMUs	TMUs 112 TMUs
ROPs 24 ROPs	ROPs 64 ROPs
Tensor Cores -	Tensor Cores 56 T-Cores
RT Cores -	RT Cores 28 RT-Cores
SMs 5 SMs	CUs 28 CUs

Clocks

Base Clock 980MHz	Base Clock 2.4GHz
Boost Clock 1.08GHz	Boost Clock 2.99GHz

Cache

L2 Cache 512KB shared	L2 Cache 4.1MB shared
L3 Cache -	L3 Cache 32MB shared
L3 Bandwidth -	L3 Bandwidth 1.13TB/s

Memory

2GB GDDR5	8GB GDDR6
Memory Bus 192-bit	Memory Bus 128-bit
Memory Speed 6GT/s	Memory Speed 18GT/s
Memory Bandwidth 144.2GB/s	Memory Bandwidth 288GB/s

Power & Thermals

TDP 140W

TDP 132W

Video Output

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

Ports

-	3x DisplayPort 2.1
1x DisplayPort 1.2	-
-	1x HDMI 2.1
1x HDMI 1.4	-
1x DVI-D Dual-Link	-
1x DVI-I Dual-Link	-

Encoder

Encoder Model NVENC 1

Encoder Model VCN 4.0

Decoder

Decoder Model NVDEC 1

Decoder Model VCN 4.0

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2-Slots
Height 111 mm (4.37") Width 241 mm (9.49") Depth 38 mm (1.5")	Height 111 mm (4.37") Width 204 mm (8.03") Depth 40 mm (1.57")
Cooling Blower 1x Fan	Cooling Open-Air 3x Fans
Power Connectors 1x 6-Pin	Power Connectors 1x 8-Pin

Chip

Manufacturer NVIDIA	Manufacturer AMD
Chip Designer NVIDIA	Chip Designer AMD
Architecture Kepler	Architecture RDNA 4
Family GeForce 600	Family Radeon RX 9000
Branding	Branding
Codename NVE6	Codename -
Chip Variant -	Chip Variant Navi 44 XL
Market Segment Desktop	Market Segment Desktop
Release Date Sep 13, 2012	Release Date Aug 5, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node N4P
Die Size 221mm²	Die Size 153mm²
Transistor Count 2.5 Billion	Transistor Count 29.7 Billion
Transistor Density 11.49 MTr/mm²	Transistor Density 194.1 MTr/mm²

Images

No images available

No images available

Competitors

NVIDIAGeForce GTX 660 vs GPU AMDRadeon RX 7400 NVIDIAGeForce GTX 660 vs GPU AMDRadeon RX 7650 GRE NVIDIAGeForce GTX 660 vs GPU MSIGeForce RTX 3050 LP 6G OC Show 12 more

AMDRadeon RX 9060 vs GPU AMDRadeon RX 9060 XT AMDRadeon RX 9060 vs GPU AMDRadeon RX 9060 XT 16GB AMDRadeon RX 9060 vs GPU AMDRadeon RX 7650 GRE Show 12 more