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
GeForce 825M
CORE STATE
GK208
VRAM
1024 MB
CLOCK SPEED
941 MHz
TDP
33 W
BUS WIDTH
64 bit
ARCHITECTURE
Kepler 2.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
825M
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
24
32
+33.3%
ROPs
16
8
-50.0%
Compute Units
6
—
Clocks
Base Clock
1500 MHz
850 MHz
Boost Clock
1900 MHz
941 MHz
Memory Clock
System Shared
900 MHz
1800 Mbps effective
Memory
Memory Size
System Shared
1024 MB
VRAM (MB)
—
1,024
Memory Type
System Shared
DDR3
Memory Bus
System Shared
64 bit
Bandwidth
System Dependent
14.40 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
2 MB
512 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
7.528 GPixel/s
Texture Rate
45.60 GTexel/s
30.11 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
722.7 GFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
30.11 GFLOPS (1:24)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
—
AI/RT
RT Cores
6
—
Power
TDP
40 W
33 W
TDP (W)
40
33
-17.5%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Kepler 2.0
GPU Name
Rembrandt
GK208
Generation
Navi II IGP
(Rembrandt Mobile)
GeForce 800M
Process Size
6 nm
28 nm
Transistors
13,100 million
1,020 million
Die Size
208 mm²
87 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
11.7M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
2.0
3.0
CUDA
—
3.5
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
GeForce 700M
Successor
Navi III IGP
GeForce 900M