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
Tesla M4
CORE STATE
GM206
VRAM
4 GB
CLOCK SPEED
1072 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
Tesla M4
Core Specs
Shading Units
384
1,024
+166.7%
Shaders
384
1,024
+166.7%
TMUs
24
64
+166.7%
ROPs
16
32
+100.0%
Compute Units
6
—
Clocks
Base Clock
1500 MHz
872 MHz
Boost Clock
1900 MHz
1072 MHz
Memory Clock
System Shared
1375 MHz
5.5 Gbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
88.00 GB/s
Cache
L1 Cache
128 KB per Array
48 KB (per SMM)
L2 Cache
2 MB
1024 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
34.30 GPixel/s
Texture Rate
45.60 GTexel/s
68.61 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
2.195 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
68.61 GFLOPS (1:32)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
—
AI/RT
RT Cores
6
—
Power
TDP
40 W
50 W
TDP (W)
40
50
+25.0%
Suggested PSU
—
250 W
Power Connectors
None
—
Architecture
Architecture
RDNA 2.0
Maxwell 2.0
GPU Name
Rembrandt
GM206
Generation
Navi II IGP
(Rembrandt Mobile)
Tesla Maxwell
(Mxx)
Process Size
6 nm
28 nm
Transistors
13,100 million
2,940 million
Die Size
208 mm²
228 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
12.9M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.0
3.0
CUDA
—
5.2
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Single-slot
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
Tesla Kepler
Successor
Navi III IGP
Tesla Pascal