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 890M
CORE STATE
Strix Point
VRAM
System Shared
CLOCK SPEED
2900 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
RDNA 3.5
PROCESS
4 nm
LAUNCH DATE
2024
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
660M
890M
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
16
+166.7%
Clocks
Base Clock
1500 MHz
400 MHz
Boost Clock
1900 MHz
2900 MHz
Memory Clock
System Shared
System Shared
Memory
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Shared
Bandwidth
System Dependent
System Dependent
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
2 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
30.40 GPixel/s
92.80 GPixel/s
Texture Rate
45.60 GTexel/s
185.6 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
5.939 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
371.2 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
11.88 TFLOPS (2:1)
AI/RT
RT Cores
6
16
+166.7%
Power
TDP
40 W
15 W
TDP (W)
40
15
-62.5%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
RDNA 3.5
GPU Name
Rembrandt
Strix Point
Generation
Navi II IGP
(Rembrandt Mobile)
Navi III IGP
(Strix Point Mobile)
Process Size
6 nm
4 nm
Transistors
13,100 million
34,000 million
Die Size
208 mm²
233 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
145.9M / 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
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 x8
Other
Production
End-of-life
Active
Predecessor
Vega II IGP
Navi II IGP
Successor
Navi III IGP
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