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
RTX 2000 Ada Generation
CORE STATE
AD107
VRAM
16 GB
CLOCK SPEED
2130 MHz
TDP
70 W
BUS WIDTH
128 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2024
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
RTX 2000 Ada Generation
Core Specs
Shading Units
384
2,816
+633.3%
Shaders
384
2,816
+633.3%
TMUs
24
88
+266.7%
ROPs
16
48
+200.0%
Compute Units
6
—
SM Count
—
22
Clocks
Base Clock
1500 MHz
1620 MHz
Boost Clock
1900 MHz
2130 MHz
Memory Clock
System Shared
2000 MHz
16 Gbps effective
Memory
Memory Size
System Shared
16 GB
VRAM (MB)
—
16,384
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
256.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
12 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
102.2 GPixel/s
Texture Rate
45.60 GTexel/s
187.4 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
12.00 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
187.4 GFLOPS (1:64)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
12.00 TFLOPS (1:1)
AI/RT
RT Cores
6
22
+266.7%
Tensor Cores
—
88
Power
TDP
40 W
70 W
TDP (W)
40
70
+75.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Rembrandt
AD107
Generation
Navi II IGP
(Rembrandt Mobile)
Workstation Ada
(x000A)
Process Size
6 nm
5 nm
Transistors
13,100 million
18,900 million
Die Size
208 mm²
159 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
118.9M / 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
—
8.9
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
168 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x8
Other
Launch Price
—
649 USD
Production
End-of-life
Active
Predecessor
Vega II IGP
Workstation Ampere
Successor
Navi III IGP
Blackwell PRO W