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
RADEON
Radeon Pro W6600M
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2034 MHz
TDP
90 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
Pro W6600M
Core Specs
Shading Units
384
1,792
+366.7%
Shaders
384
1,792
+366.7%
TMUs
24
112
+366.7%
ROPs
16
64
+300.0%
Compute Units
6
28
+366.7%
Clocks
Base Clock
1500 MHz
1224 MHz
Boost Clock
1900 MHz
2034 MHz
Memory Clock
System Shared
1750 MHz
14 Gbps effective
Memory
Memory Size
System Shared
8 GB
VRAM (MB)
—
8,192
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
224.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
2 MB
L3 Cache
—
32 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
30.40 GPixel/s
130.2 GPixel/s
Texture Rate
45.60 GTexel/s
227.8 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
7.290 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
455.6 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
14.58 TFLOPS (2:1)
AI/RT
RT Cores
6
28
+366.7%
Power
TDP
40 W
90 W
TDP (W)
40
90
+125.0%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
RDNA 2.0
GPU Name
Rembrandt
Navi 23
Generation
Navi II IGP
(Rembrandt Mobile)
Radeon Pro Mobile
(W6x00M)
Process Size
6 nm
7 nm
Transistors
13,100 million
11,060 million
Die Size
208 mm²
237 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
46.7M / 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
2.1
Shader Model
6.8
6.8
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
FirePro Mobile
Successor
Navi III IGP
—