GPU Comparison

AMD
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
nm
PROCESS 6 nm
LAUNCH DATE 2022
VS
AMD
RADEON

Radeon 740M

CORE STATE Hawk Point
VRAM System Shared
CLOCK SPEED 2800 MHz
TDP 15 W
BUS WIDTH System Shared
ARCHITECTURE RDNA 3.0
nm
PROCESS 4 nm
LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_opencl
12,876
10,172
geekbench_vulkan
14,748
15,568

DETAILED SPECIFICATIONS

SPECIFICATION
660M
740M
Core Specs
Shading Units
384
256 -33.3%
Shaders
384
256 -33.3%
TMUs
24
16 -33.3%
ROPs
16
8 -50.0%
Compute Units
6
4 -33.3%
Clocks
Base Clock
1500 MHz
800 MHz
Boost Clock
1900 MHz
2800 MHz
Memory Clock
System Shared
System Shared
Memory
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Shared
Bandwidth
System Dependent
System Dependent
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
2 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
30.40 GPixel/s
22.40 GPixel/s
Texture Rate
45.60 GTexel/s
44.80 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
2.867 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
179.2 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
5.734 TFLOPS (2:1)
AI/RT
RT Cores
6
4 -33.3%
Power
TDP
40 W
15 W
TDP (W)
40
15 -62.5%
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
RDNA 3.0
GPU Name
Rembrandt
Hawk Point
Generation
Navi II IGP (Rembrandt Mobile)
Navi III IGP (Hawx Point Mobile)
Process Size
6 nm
4 nm
Transistors
13,100 million
25,390 million
Die Size
208 mm²
178 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
142.6M / 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
2.1
Shader Model
6.8
6.8
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
Active
Predecessor
Vega II IGP
Navi II IGP
Successor
Navi III IGP
Navi III IGP
View Radeon 660M Details View Radeon 740M Details