AMD Radeon 660M vs AMD Radeon RX Vega Nano
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Unknown
Generation
Rembrandt
Vega
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1500 MHz
1247 MHz
Boost Clock
1900 MHz
1546 MHz
Memory Clock
System Shared
800 MHz
Memory
Memory Size
System Shared
8GB
Memory Type
System Shared
HBM2
Memory Bus
System Shared
2048bit
Bandwidth
System Dependent
409.6GB/s
Render Config
Compute Units
6
64
Shading Units
384
4096
TMUs
24
256
ROPs
16
64
RT Cores
6
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
4 MB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
98.94 GPixel/s
Texture Rate
45.60 GTexel/s
395.8 GTexel/s
FP16 (half)
2.918 TFLOPS
—
FP32 (float)
1459 GFLOPS
12.66 TFLOPS
FP64 (double)
91.20 GFLOPS
791.6 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Vega 10
Architecture
RDNA 2.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
6 nm
14 nm
Transistors
13.1 billion
12.5 billion
Die Size
210 mm²
495 mm²
GPU Variant
—
Vega 10 XT(215-0894200)
Board Design
TDP
15W
175W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.5
6.4
Benchmark
3DMark Time Spy
1,537
—
3DMark Time Spy Extreme
701
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.