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 W5700X
CORE STATE
Navi 10
VRAM
16 GB
CLOCK SPEED
2040 MHz
TDP
205 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
660M
Pro W5700X
Core Specs
Shading Units
384
2,560
+566.7%
Shaders
384
2,560
+566.7%
TMUs
24
160
+566.7%
ROPs
16
64
+300.0%
Compute Units
6
40
+566.7%
Clocks
Base Clock
1500 MHz
1243 MHz
Boost Clock
1900 MHz
2040 MHz
Memory Clock
System Shared
1750 MHz
14 Gbps effective
Memory
Memory Size
System Shared
16 GB
VRAM (MB)
—
16,384
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
448.0 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
130.6 GPixel/s
Texture Rate
45.60 GTexel/s
326.4 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
10.44 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
652.8 GFLOPS (1:16)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
20.89 TFLOPS (2:1)
AI/RT
RT Cores
6
—
Power
TDP
40 W
205 W
TDP (W)
40
205
+412.5%
Suggested PSU
—
550 W
Power Connectors
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
Quad-slot
Length
—
305 mm
12 inches
Outputs
Portable Device Dependent
1x HDMI 2.0b4x Thunderbolt
Bus Interface
PCIe 4.0 x8
Apple MPX
Other
Launch Price
—
999 USD
Production
End-of-life
End-of-life
Predecessor
Vega II IGP
—
Successor
Navi III IGP
—