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 Pro 5700
CORE STATE
Navi 10
VRAM
8 GB
CLOCK SPEED
1350 MHz
TDP
130 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
660M
Pro 5700
Core Specs
Shading Units
384
2,304
+500.0%
Shaders
384
2,304
+500.0%
TMUs
24
144
+500.0%
ROPs
16
64
+300.0%
Compute Units
6
36
+500.0%
Clocks
Base Clock
1500 MHz
1243 MHz
Boost Clock
1900 MHz
1350 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
256 bit
Bandwidth
System Dependent
384.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
4 MB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
30.40 GPixel/s
86.40 GPixel/s
Texture Rate
45.60 GTexel/s
194.4 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
6.221 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
388.8 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
12.44 TFLOPS (2:1)
AI/RT
RT Cores
6
—
Power
TDP
40 W
130 W
TDP (W)
40
130
+225.0%
Suggested PSU
—
300 W
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
RDNA 1.0
GPU Name
Rembrandt
Navi 10
Generation
Navi II IGP
(Rembrandt Mobile)
Radeon Pro Mac
(Navi Series)
Process Size
6 nm
7 nm
Transistors
13,100 million
10,300 million
Die Size
208 mm²
251 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
41.0M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
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
No outputs
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
—
Successor
Navi III IGP
—