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
GEFORCE
GeForce RTX 3080 Ti Max-Q
CORE STATE
GA103
VRAM
16 GB
CLOCK SPEED
1125 MHz
TDP
80 W
BUS WIDTH
256 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
RTX 3080 Ti Max-Q
Core Specs
Shading Units
384
7,424
+1833.3%
Shaders
384
7,424
+1833.3%
TMUs
24
232
+866.7%
ROPs
16
96
+500.0%
Compute Units
6
—
SM Count
—
58
Clocks
Base Clock
1500 MHz
585 MHz
Boost Clock
1900 MHz
1125 MHz
Memory Clock
System Shared
1500 MHz
12 Gbps effective
Memory
Memory Size
System Shared
16 GB
VRAM (MB)
—
16,384
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
384.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
4 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
108.0 GPixel/s
Texture Rate
45.60 GTexel/s
261.0 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
16.70 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
261.0 GFLOPS (1:64)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
16.70 TFLOPS (1:1)
AI/RT
RT Cores
6
58
+866.7%
Tensor Cores
—
232
Power
TDP
40 W
80 W
TDP (W)
40
80
+100.0%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Rembrandt
GA103
Generation
Navi II IGP
(Rembrandt Mobile)
GeForce 30 Mobile
Process Size
6 nm
8 nm
Transistors
13,100 million
22,000 million
Die Size
208 mm²
496 mm²
Foundry
TSMC
Samsung
Density
63.0M / mm²
44.4M / 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
3.0
CUDA
—
8.6
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 x16
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
GeForce 20 Mobile
Successor
Navi III IGP
—