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
CMP 50HX
CORE STATE
TU102
VRAM
10 GB
CLOCK SPEED
1545 MHz
TDP
250 W
BUS WIDTH
320 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
CMP 50HX
Core Specs
Shading Units
384
3,584
+833.3%
Shaders
384
3,584
+833.3%
TMUs
24
192
+700.0%
ROPs
16
80
+400.0%
Compute Units
6
—
SM Count
—
56
Clocks
Base Clock
1500 MHz
1350 MHz
Boost Clock
1900 MHz
1545 MHz
Memory Clock
System Shared
1750 MHz
14 Gbps effective
Memory
Memory Size
System Shared
10 GB
VRAM (MB)
—
10,240
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
320 bit
Bandwidth
System Dependent
560.0 GB/s
Cache
L1 Cache
128 KB per Array
64 KB (per SM)
L2 Cache
2 MB
5 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
123.6 GPixel/s
Texture Rate
45.60 GTexel/s
296.6 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
11.07 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
346.1 GFLOPS (1:32)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
22.15 TFLOPS (2:1)
AI/RT
RT Cores
6
56
+833.3%
Tensor Cores
—
448
Power
TDP
40 W
250 W
TDP (W)
40
250
+525.0%
Suggested PSU
—
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
RDNA 2.0
Turing
GPU Name
Rembrandt
TU102
Generation
Navi II IGP
(Rembrandt Mobile)
Mining GPUs
Process Size
6 nm
12 nm
Transistors
13,100 million
18,600 million
Die Size
208 mm²
754 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
24.7M / 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
—
7.5
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
116 mm
4.6 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 4.0 x8
PCIe 1.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
—
Successor
Navi III IGP
—