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 A1000
CORE STATE
GA107
VRAM
8 GB
CLOCK SPEED
1462 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2024
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
RTX A1000
Core Specs
Shading Units
384
2,304
+500.0%
Shaders
384
2,304
+500.0%
TMUs
24
72
+200.0%
ROPs
16
32
+100.0%
Compute Units
6
—
SM Count
—
18
Clocks
Base Clock
1500 MHz
727 MHz
Boost Clock
1900 MHz
1462 MHz
Memory Clock
System Shared
1500 MHz
12 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
192.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
2 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
46.78 GPixel/s
Texture Rate
45.60 GTexel/s
105.3 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
6.737 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
105.3 GFLOPS (1:64)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
6.737 TFLOPS (1:1)
AI/RT
RT Cores
6
18
+200.0%
Tensor Cores
—
72
Power
TDP
40 W
50 W
TDP (W)
40
50
+25.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Rembrandt
GA107
Generation
Navi II IGP
(Rembrandt Mobile)
Workstation Ampere
(Ax000)
Process Size
6 nm
8 nm
Transistors
13,100 million
8,700 million
Die Size
208 mm²
200 mm²
Foundry
TSMC
Samsung
Density
63.0M / mm²
43.5M / 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
—
163 mm
6.4 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
Production
End-of-life
Active
Predecessor
Vega II IGP
Quadro Turing
Successor
Navi III IGP
Workstation Ada