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
Arc A570M
CORE STATE
DG2-256
VRAM
8 GB
CLOCK SPEED
1300 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
A570M
Core Specs
Shading Units
384
2,048
+433.3%
Shaders
384
2,048
+433.3%
TMUs
24
128
+433.3%
ROPs
16
64
+300.0%
Compute Units
6
—
Execution Units
—
256
Clocks
Base Clock
1500 MHz
900 MHz
Boost Clock
1900 MHz
1300 MHz
Memory Clock
System Shared
1750 MHz
14 Gbps effective
Memory
Memory Size
System Shared
8 GB
VRAM (MB)
—
8,192
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
224.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
8 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
83.20 GPixel/s
Texture Rate
45.60 GTexel/s
166.4 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
5.325 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
—
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
10.65 TFLOPS (2:1)
AI/RT
RT Cores
6
16
+166.7%
XMX Cores
—
256
Power
TDP
40 W
75 W
TDP (W)
40
75
+87.5%
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
Xe-HPG
GPU Name
Rembrandt
DG2-256
Generation
Navi II IGP
(Rembrandt Mobile)
Alchemist
(Arc 5 Mobile)
Process Size
6 nm
6 nm
Transistors
13,100 million
11,500 million
Die Size
208 mm²
269 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
42.8M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
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
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
Active
Predecessor
Vega II IGP
—
Successor
Navi III IGP
—