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 RX 5500M
CORE STATE
Navi 14
VRAM
4 GB
CLOCK SPEED
1645 MHz
TDP
85 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
660M
RX 5500M
Core Specs
Shading Units
384
1,408
+266.7%
Shaders
384
1,408
+266.7%
TMUs
24
88
+266.7%
ROPs
16
32
+100.0%
Compute Units
6
22
+266.7%
Clocks
Base Clock
1500 MHz
1375 MHz
Boost Clock
1900 MHz
1645 MHz
Game Clock
—
1448 MHz
Memory Clock
System Shared
1750 MHz
14 Gbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
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
—
L2 Cache
2 MB
2 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
52.64 GPixel/s
Texture Rate
45.60 GTexel/s
144.8 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
4.632 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
289.5 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
9.265 TFLOPS (2:1)
AI/RT
RT Cores
6
—
Power
TDP
40 W
85 W
TDP (W)
40
85
+112.5%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
RDNA 1.0
GPU Name
Rembrandt
Navi 14
Generation
Navi II IGP
(Rembrandt Mobile)
Navi Mobile
(RX 5000M)
Process Size
6 nm
7 nm
Transistors
13,100 million
6,400 million
Die Size
208 mm²
158 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
40.5M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
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
—
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
Polaris Mobile
Successor
Navi III IGP
—