AMD Radeon 660M vs NVIDIA GeForce RTX 6090
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2027
Generation
Rembrandt
GeForce 60
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1500 MHz
2300 MHz
Boost Clock
1900 MHz
2700 MHz
Memory Clock
System Shared
1750 MHz
Memory
Memory Size
System Shared
32GB
Memory Type
System Shared
GDDR7
Memory Bus
System Shared
512bit
Bandwidth
System Dependent
1.79TB/s
Render Config
Compute Units
6
—
Shading Units
384
24576
TMUs
24
768
ROPs
16
192
RT Cores
6
192
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
96 MB
SM Count
—
192
Tensor Cores
—
768
Theoretical Performance
Pixel Rate
30.40 GPixel/s
518.4 GPixel/s
Texture Rate
45.60 GTexel/s
2073.6 GTexel/s
FP16 (half)
2.918 TFLOPS
132.7 TFLOPS
FP32 (float)
1459 GFLOPS
132.7 TFLOPS
FP64 (double)
91.20 GFLOPS
2.074 TFLOPS
Graphics Processor
GPU Name
Rembrandt
GR202
Architecture
RDNA 2.0
Rubin
Foundry
TSMC
TSMC
Process Size
6 nm
3 nm
Transistors
13.1 billion
Unknown
Die Size
210 mm²
Unknown
GPU Variant
—
GR202-300-A1
Board Design
TDP
15W
525W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
None
1x 16-pin
Suggested PSU
—
900 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.4
Shader Model
6.5
6.9
CUDA
—
12.0
Benchmark
3DMark Time Spy
1,537
—
3DMark Time Spy Extreme
701
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.