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 5600M
CORE STATE
Navi 12
VRAM
8 GB
CLOCK SPEED
1144 MHz
TDP
50 W
BUS WIDTH
2048 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
660M
Pro 5600M
Core Specs
Shading Units
384
2,560
+566.7%
Shaders
384
2,560
+566.7%
TMUs
24
160
+566.7%
ROPs
16
64
+300.0%
Compute Units
6
40
+566.7%
Clocks
Base Clock
1500 MHz
822 MHz
Boost Clock
1900 MHz
1144 MHz
Memory Clock
System Shared
770 MHz
1540 Mbps effective
Memory
Memory Size
System Shared
8 GB
VRAM (MB)
—
8,192
Memory Type
System Shared
HBM2
Memory Bus
System Shared
2048 bit
Bandwidth
System Dependent
394.2 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
73.22 GPixel/s
Texture Rate
45.60 GTexel/s
183.0 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
5.857 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
366.1 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
11.71 TFLOPS (2:1)
AI/RT
RT Cores
6
—
Power
TDP
40 W
50 W
TDP (W)
40
50
+25.0%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
RDNA 1.0
GPU Name
Rembrandt
Navi 12
Generation
Navi II IGP
(Rembrandt Mobile)
Radeon Pro Mac
(Navi Mobile)
Process Size
6 nm
7 nm
Transistors
13,100 million
—
Die Size
208 mm²
—
Foundry
TSMC
TSMC
Density
63.0M / mm²
—
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.3
OpenCL
2.0
2.2
Shader Model
6.8
6.0
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
—
Successor
Navi III IGP
—