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
GEFORCE
A10M
CORE STATE
GA102
VRAM
20 GB
CLOCK SPEED
1635 MHz
TDP
150 W
BUS WIDTH
320 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
A10M
Core Specs
Shading Units
384
7,168
+1766.7%
Shaders
384
7,168
+1766.7%
TMUs
24
224
+833.3%
ROPs
16
80
+400.0%
Compute Units
6
—
SM Count
—
56
Clocks
Base Clock
1500 MHz
975 MHz
Boost Clock
1900 MHz
1635 MHz
Memory Clock
System Shared
1563 MHz
12.5 Gbps effective
Memory
Memory Size
System Shared
20 GB
VRAM (MB)
—
20,480
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
320 bit
Bandwidth
System Dependent
500.2 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
6 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
130.8 GPixel/s
Texture Rate
45.60 GTexel/s
366.2 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
23.44 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
732.5 GFLOPS (1:32)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
23.44 TFLOPS (1:1)
AI/RT
RT Cores
6
56
+833.3%
Tensor Cores
—
224
Power
TDP
40 W
150 W
TDP (W)
40
150
+275.0%
Suggested PSU
—
450 W
Power Connectors
None
8-pin EPS
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Rembrandt
GA102
Generation
Navi II IGP
(Rembrandt Mobile)
Server Ampere
(Axx)
Process Size
6 nm
8 nm
Transistors
13,100 million
28,300 million
Die Size
208 mm²
628 mm²
Foundry
TSMC
Samsung
Density
63.0M / mm²
45.1M / 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
CUDA
—
8.6
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Single-slot
Length
—
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
Tesla Turing
Successor
Navi III IGP
Server Ada