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
RADEON
Radeon R7 M260X
CORE STATE
Opal
VRAM
1024 MB
CLOCK SPEED
715 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
R7 M260X
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
24
24
0.0%
ROPs
16
8
-50.0%
Compute Units
6
6
0.0%
Clocks
Base Clock
1500 MHz
620 MHz
Boost Clock
1900 MHz
715 MHz
Memory Clock
System Shared
1000 MHz
4 Gbps effective
Memory
Memory Size
System Shared
1024 MB
VRAM (MB)
—
1,024
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
64.00 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
256 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
5.720 GPixel/s
Texture Rate
45.60 GTexel/s
17.16 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
549.1 GFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
—
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
—
AI/RT
RT Cores
6
—
Power
TDP
40 W
—
TDP (W)
40
—
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
GCN 1.0
GPU Name
Rembrandt
Opal
Generation
Navi II IGP
(Rembrandt Mobile)
Gem System
(R7 M200)
Process Size
6 nm
28 nm
Transistors
13,100 million
950 million
Die Size
208 mm²
77 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
12.3M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.170
OpenCL
2.0
2.1 (1.2)
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
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
Solar System
Successor
Navi III IGP
Polaris Mobile