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 8690M
CORE STATE
Sun
VRAM
2 GB
CLOCK SPEED
975 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
HD 8690M
Core Specs
Shading Units
384
320
-16.7%
Shaders
384
320
-16.7%
TMUs
24
20
-16.7%
ROPs
16
8
-50.0%
Compute Units
6
5
-16.7%
Clocks
Base Clock
1500 MHz
925 MHz
Boost Clock
1900 MHz
975 MHz
Memory Clock
System Shared
1000 MHz
4 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
64 bit
Bandwidth
System Dependent
32.00 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
128 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
7.800 GPixel/s
Texture Rate
45.60 GTexel/s
19.50 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
624.0 GFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
39.00 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
Sun
Generation
Navi II IGP
(Rembrandt Mobile)
Solar System
(HD 8600M)
Process Size
6 nm
28 nm
Transistors
13,100 million
690 million
Die Size
208 mm²
56 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