AMD Radeon RX 9060 vs NVIDIA GeForce GTX 660 Rev. 2
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Sep 2014
Generation
Navi IV
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1700 MHz
980 MHz
Boost Clock
2990 MHz
1032 MHz
Memory Clock
2518 MHz
1502 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
192bit
Bandwidth
322.3GB/s
144.2GB/s
Render Config
Compute Units
28
—
Shading Units
1792
960
TMUs
112
80
ROPs
64
24
RT Cores
28
—
L2 Cache
4 MB
384 KB
L3 Cache
32 MB
—
L1 Cache
—
16 KB (per SMX)
Theoretical Performance
Pixel Rate
191.4 GPixel/s
20.64 GPixel/s
Texture Rate
334.9 GTexel/s
82.56 GTexel/s
FP16 (half)
42.86 TFLOPS
—
FP32 (float)
21.43 TFLOPS
1.981 TFLOPS
FP64 (double)
669.8 GFLOPS
82.56 GFLOPS
Graphics Processor
GPU Name
Navi 44
GK104
GPU Variant
Navi 44
—
Architecture
RDNA 4.0
Kepler
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
29.7 billion
3.54 billion
Die Size
199 mm²
294 mm²
Board Design
TDP
132W
140W
Suggested PSU
300 W
300 W
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.3
1.1
Shader Model
6.8
5.1
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.