NVIDIA GeForce GTX 660 Ti vs AMD Radeon RX 6600M

GPU Specs Compare

Graphics Card

Release Date
Aug 2012
May 2021
Generation
GeForce 600
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8

Clock Speeds

Base Clock
915 MHz
2068 MHz
Boost Clock
980 MHz
2416 MHz
Memory Clock
1502 MHz
1750 MHz

Memory

Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
128bit
Bandwidth
144.2GB/s
224.0GB/s

Render Config

Shading Units
1344
1792
TMUs
112
112
ROPs
24
64
L1 Cache
16 KB (per SMX)
128 KB per Array
L2 Cache
384 KB
2 MB
Compute Units
-
28
RT Cores
-
28
L3 Cache
-
32 MB

Theoretical Performance

Pixel Rate
27.44 GPixel/s
154.6 GPixel/s
Texture Rate
109.8 GTexel/s
270.6 GTexel/s
FP32 (float)
2.634 TFLOPS
8.659 TFLOPS
FP64 (double)
109.8 GFLOPS
541.2 GFLOPS
FP16 (half)
-
17.32 TFLOPS

Graphics Processor

GPU Name
GK104
Navi 23
GPU Variant
GK104-300-KD-A2
-
Architecture
Kepler
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
3.54 billion
11.06 billion
Die Size
294 mm²
237 mm²

Board Design

TDP
150W
100W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None

Graphics Features

DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.0
-
Shader Model
5.1
6.5