AMD Radeon 780M vs NVIDIA GeForce GTX 660 Ti
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Aug 2012
Generation
Navi III IGP
GeForce 600
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
800 MHz
915 MHz
Boost Clock
2700 MHz
980 MHz
Memory Clock
System Shared
1502 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
192bit
Bandwidth
System Dependent
144.2GB/s
Render Config
Compute Units
12
—
Shading Units
768
1344
TMUs
48
112
ROPs
32
24
RT Cores
12
—
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
2 MB
384 KB
Theoretical Performance
Pixel Rate
86.40 GPixel/s
27.44 GPixel/s
Texture Rate
129.6 GTexel/s
109.8 GTexel/s
FP16 (half)
16.59 TFLOPS
—
FP32 (float)
8.294 TFLOPS
2.634 TFLOPS
FP64 (double)
518.4 GFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
Phoenix
GK104
Architecture
RDNA 3.0
Kepler
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
25.39 billion
3.54 billion
Die Size
178 mm²
294 mm²
GPU Variant
—
GK104-300-KD-A2
Board Design
TDP
15W
150W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.1
Shader Model
6.7
5.1
CUDA
—
3.0
Benchmark
3DMark Time Spy
2,775
—
3DMark Time Spy Extreme
1,324
—
3DMark Speed Way
458
—
Blender
350
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.