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 6000 Ada Generation
CORE STATE
AD102
VRAM
48 GB
CLOCK SPEED
2505 MHz
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
RTX 6000 Ada Generation
Core Specs
Shading Units
384
18,176
+4633.3%
Shaders
384
18,176
+4633.3%
TMUs
24
568
+2266.7%
ROPs
16
192
+1100.0%
Compute Units
6
—
SM Count
—
142
Clocks
Base Clock
1500 MHz
915 MHz
Boost Clock
1900 MHz
2505 MHz
Memory Clock
System Shared
2500 MHz
20 Gbps effective
Memory
Memory Size
System Shared
48 GB
VRAM (MB)
—
49,152
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
384 bit
Bandwidth
System Dependent
960.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
96 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
481.0 GPixel/s
Texture Rate
45.60 GTexel/s
1,422.8 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
91.06 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
1,422.8 GFLOPS (1:64)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
91.06 TFLOPS (1:1)
AI/RT
RT Cores
6
142
+2266.7%
Tensor Cores
—
568
Power
TDP
40 W
300 W
TDP (W)
40
300
+650.0%
Suggested PSU
—
700 W
Power Connectors
None
1x 16-pin
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Rembrandt
AD102
Generation
Navi II IGP
(Rembrandt Mobile)
Workstation Ada
(x000A)
Process Size
6 nm
5 nm
Transistors
13,100 million
76,300 million
Die Size
208 mm²
609 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
125.3M / 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
—
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
Portable Device Dependent
4x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Launch Price
—
6,799 USD
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
Workstation Ampere
Successor
Navi III IGP
Blackwell PRO W