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 HD 8750M
CORE STATE
Mars
VRAM
1024 MB
CLOCK SPEED
825 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
HD 8750M
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
24
24
0.0%
ROPs
16
8
-50.0%
Compute Units
6
6
0.0%
Clocks
Base Clock
1500 MHz
775 MHz
Boost Clock
1900 MHz
825 MHz
Memory Clock
System Shared
900 MHz
1800 Mbps effective
Memory
Memory Size
System Shared
1024 MB
VRAM (MB)
—
1,024
Memory Type
System Shared
DDR3
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
28.80 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
256 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
6.600 GPixel/s
Texture Rate
45.60 GTexel/s
19.80 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
633.6 GFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
39.60 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
—
AI/RT
RT Cores
6
—
Power
TDP
40 W
—
TDP (W)
40
—
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
GCN 1.0
GPU Name
Rembrandt
Mars
Generation
Navi II IGP
(Rembrandt Mobile)
Solar System
(HD 8700M)
Process Size
6 nm
28 nm
Transistors
13,100 million
950 million
Die Size
208 mm²
77 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
12.3M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.170
OpenCL
2.0
2.1 (1.2)
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
IGP
—
Outputs
Portable Device Dependent
—
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
London
Successor
Navi III IGP
Gem System