GPU Comparison
RADEON
AMD Radeon 660M
CORE STATE
Rembrandt
VRAM
System Shared
CLOCK SPEED
1900 MHz
TDP
40 W
BUS WIDTH
System Shared
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
VS
GPU
Arc Pro A30M
CORE STATE
DG2-128
VRAM
4 GB
CLOCK SPEED
2000 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
Pro A30M
Core Specs
Shading Units
384
1,024
+166.7%
Shaders
384
1,024
+166.7%
TMUs
24
64
+166.7%
ROPs
16
32
+100.0%
Compute Units
6
—
Execution Units
—
128
Clocks
Base Clock
1500 MHz
1500 MHz
Boost Clock
1900 MHz
2000 MHz
Memory Clock
System Shared
2000 MHz
16 Gbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
64 bit
Bandwidth
System Dependent
128.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
4 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
64.00 GPixel/s
Texture Rate
45.60 GTexel/s
128.0 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
4.096 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
1,024.0 GFLOPS (1:4)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
8.192 TFLOPS (2:1)
AI/RT
RT Cores
6
8
+33.3%
XMX Cores
—
128
Power
TDP
40 W
50 W
TDP (W)
40
50
+25.0%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Xe-HPG
GPU Name
Rembrandt
DG2-128
Generation
Navi II IGP
(Rembrandt Mobile)
Alchemist
(Pro-Series Mobile)
Process Size
6 nm
6 nm
Transistors
13,100 million
7,200 million
Die Size
208 mm²
157 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
45.9M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.0
3.0
Shader Model
6.8
6.6
Physical
Slot Width
IGP
—
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
—
Successor
Navi III IGP
—