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 Vega 8
CORE STATE
Raven
VRAM
System Shared
CLOCK SPEED
1100 MHz
TDP
25 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
660M
Vega 8
Core Specs
Shading Units
384
512
+33.3%
Shaders
384
512
+33.3%
TMUs
24
32
+33.3%
ROPs
16
8
-50.0%
Compute Units
6
8
+33.3%
Clocks
Base Clock
1500 MHz
300 MHz
Boost Clock
1900 MHz
1100 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
8.800 GPixel/s
Texture Rate
45.60 GTexel/s
35.20 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
1,126.4 GFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
70.40 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
2.253 TFLOPS (2:1)
AI/RT
RT Cores
6
—
Power
TDP
40 W
25 W
TDP (W)
40
25
-37.5%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
GCN 5.0
GPU Name
Rembrandt
Raven
Generation
Navi II IGP
(Rembrandt Mobile)
Vega IGP
(Raven Ridge)
Process Size
6 nm
14 nm
Transistors
13,100 million
4,940 million
Die Size
208 mm²
210 mm²
Foundry
TSMC
GlobalFoundries
Density
63.0M / mm²
23.5M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.3
OpenCL
2.0
2.1
Shader Model
6.8
6.7
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Motherboard Dependent
Bus Interface
PCIe 4.0 x8
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
GCN 3.0 IGP
Successor
Navi III IGP
Vega II IGP