GPU Comparison

AMD
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
nm
PROCESS 6 nm
LAUNCH DATE 2022
VS
AMD
RADEON

Radeon Pro Vega II

CORE STATE Vega 20
VRAM 32 GB
CLOCK SPEED 1720 MHz
TDP 475 W
BUS WIDTH 4096 bit
ARCHITECTURE GCN 5.1
nm
PROCESS 7 nm
LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

geekbench_opencl
12,876
99,405
geekbench_vulkan
14,748
100,312
geekbench_metal
N/A
130,183

DETAILED SPECIFICATIONS

SPECIFICATION
660M
Pro Vega II
Core Specs
Shading Units
384
4,096 +966.7%
Shaders
384
4,096 +966.7%
TMUs
24
256 +966.7%
ROPs
16
64 +300.0%
Compute Units
6
64 +966.7%
Clocks
Base Clock
1500 MHz
1574 MHz
Boost Clock
1900 MHz
1720 MHz
Memory Clock
System Shared
806 MHz 1612 Mbps effective
Memory
Memory Size
System Shared
32 GB
VRAM (MB)
32,768
Memory Type
System Shared
HBM2
Memory Bus
System Shared
4096 bit
Bandwidth
System Dependent
825.3 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
4 MB
L0 Cache
32 KB per WGP
Performance
Pixel Rate
30.40 GPixel/s
110.1 GPixel/s
Texture Rate
45.60 GTexel/s
440.3 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
14.09 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
7.045 TFLOPS (1:2)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
28.18 TFLOPS (2:1)
AI/RT
RT Cores
6
Power
TDP
40 W
475 W
TDP (W)
40
475 +1087.5%
Suggested PSU
850 W
Power Connectors
None
Architecture
Architecture
RDNA 2.0
GCN 5.1
GPU Name
Rembrandt
Vega 20
Generation
Navi II IGP (Rembrandt Mobile)
Radeon Pro Mac (Vega Series)
Process Size
6 nm
7 nm
Transistors
13,100 million
13,230 million
Die Size
208 mm²
331 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
40.0M / 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
Quad-slot
Outputs
Portable Device Dependent
1x HDMI 2.0b4x Thunderbolt
Bus Interface
PCIe 4.0 x8
Apple MPX
Other
Launch Price
2,199 USD
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
Successor
Navi III IGP
View Radeon 660M Details View Radeon Pro Vega II Details