NVIDIA RTX 4000 Ada Generation vs AMD Radeon 660M
GPU Specs Compare
Graphics Card
Release Date
Aug 2023
Jan 2022
Generation
Workstation Ada
Rembrandt
Type
Desktop
Integrated
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1500 MHz
1500 MHz
Boost Clock
2175 MHz
1900 MHz
Memory Clock
2250 MHz
System Shared
Memory
Memory Size
20GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
160bit
System Shared
Bandwidth
360.0GB/s
System Dependent
Render Config
SM Count
48
-
Shading Units
6144
384
TMUs
192
24
ROPs
64
16
Tensor Cores
192
-
RT Cores
48
6
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
48 MB
2 MB
Compute Units
-
6
Theoretical Performance
Pixel Rate
139.2 GPixel/s
30.40 GPixel/s
Texture Rate
417.6 GTexel/s
45.60 GTexel/s
FP16 (half)
26.73 TFLOPS
2.918 TFLOPS
FP32 (float)
26.73 TFLOPS
1459 GFLOPS
FP64 (double)
417.6 GFLOPS
91.20 GFLOPS
Graphics Processor
GPU Name
AD104
Rembrandt
Architecture
Ada Lovelace
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
6 nm
Transistors
35.8 billion
13.1 billion
Die Size
294 mm²
210 mm²
Board Design
TDP
130W
15W
Suggested PSU
300 W
-
Outputs
4x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.9
-
Shader Model
6.8
6.5
📊 Benchmark
3DMark Time Spy
-
1,537
3DMark Time Spy Extreme
-
701