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 R7 M445
CORE STATE
Meso
VRAM
4 GB
CLOCK SPEED
920 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
R7 M445
Core Specs
Shading Units
384
320
-16.7%
Shaders
384
320
-16.7%
TMUs
24
20
-16.7%
ROPs
16
8
-50.0%
Compute Units
6
5
-16.7%
Clocks
Base Clock
1500 MHz
780 MHz
Boost Clock
1900 MHz
920 MHz
Memory Clock
System Shared
1000 MHz
4 Gbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
64 bit
Bandwidth
System Dependent
32.00 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
128 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
7.360 GPixel/s
Texture Rate
45.60 GTexel/s
18.40 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
588.8 GFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
36.80 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
588.8 GFLOPS (1:1)
AI/RT
RT Cores
6
—
Power
TDP
40 W
—
TDP (W)
40
—
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
GCN 3.0
GPU Name
Rembrandt
Meso
Generation
Navi II IGP
(Rembrandt Mobile)
Gem System
(R7 M400)
Process Size
6 nm
28 nm
Transistors
13,100 million
1,550 million
Die Size
208 mm²
125 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
12.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.170
OpenCL
2.0
2.1
Shader Model
6.8
6.5
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
Solar System
Successor
Navi III IGP
Polaris Mobile