AMD Radeon 8040S vs NVIDIA GeForce GTX 660 Ti
GPU · Specs Compare
Graphics Card
Release Date
Jan 2025
Aug 2012
Generation
Navi Mobile
GeForce 600
Type
Integrated
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1295 MHz
915 MHz
Boost Clock
2800 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
16
—
Shading Units
1024
1344
TMUs
64
112
ROPs
32
24
RT Cores
16
—
L2 Cache
8 MB
384 KB
L3 Cache
64 MB
—
L1 Cache
—
16 KB (per SMX)
Theoretical Performance
Pixel Rate
89.60 GPixel/s
27.44 GPixel/s
Texture Rate
179.2 GTexel/s
109.8 GTexel/s
FP16 (half)
11.47 TFLOPS
—
FP32 (float)
5.734 TFLOPS
2.634 TFLOPS
FP64 (double)
179.2 GFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
Strix Halo
GK104
Architecture
RDNA 3.5
Kepler
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
Unknown
3.54 billion
Die Size
308 mm²
294 mm²
GPU Variant
—
GK104-300-KD-A2
Board Design
TDP
55W
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
6.8
5.1
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.