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
GPU
UHD Graphics 750
CORE STATE
Rocket Lake
VRAM
System Shared
CLOCK SPEED
1300 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 12.1
PROCESS
14 nm+++
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
UHD Graphics 750
Core Specs
Shading Units
384
256
-33.3%
Shaders
384
256
-33.3%
TMUs
24
16
-33.3%
ROPs
16
8
-50.0%
Compute Units
6
—
Execution Units
—
32
Clocks
Base Clock
1500 MHz
300 MHz
Boost Clock
1900 MHz
1300 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
—
L2 Cache
2 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
10.40 GPixel/s
Texture Rate
45.60 GTexel/s
20.80 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
665.6 GFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
—
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
1,331.2 GFLOPS (2:1)
AI/RT
RT Cores
6
—
Power
TDP
40 W
15 W
TDP (W)
40
15
-62.5%
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
Generation 12.1
GPU Name
Rembrandt
Rocket Lake
Generation
Navi II IGP
(Rembrandt Mobile)
HD Graphics
(Rocket Lake)
Process Size
6 nm
14 nm+++
Transistors
13,100 million
—
Die Size
208 mm²
—
Foundry
TSMC
Intel
Density
63.0M / mm²
—
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.0
3.0
Shader Model
6.8
6.6
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Motherboard Dependent
Bus Interface
PCIe 4.0 x8
Ring Bus
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
—
Successor
Navi III IGP
—