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 W7700
CORE STATE
Navi 32
VRAM
16 GB
CLOCK SPEED
2600 MHz
TDP
190 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
PRO W7700
Core Specs
Shading Units
384
3,072
+700.0%
Shaders
384
3,072
+700.0%
TMUs
24
192
+700.0%
ROPs
16
96
+500.0%
Compute Units
6
48
+700.0%
Clocks
Base Clock
1500 MHz
1900 MHz
Boost Clock
1900 MHz
2600 MHz
Memory Clock
System Shared
2250 MHz
18 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
576.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
2 MB
L3 Cache
—
64 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
30.40 GPixel/s
249.6 GPixel/s
Texture Rate
45.60 GTexel/s
499.2 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
31.95 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
998.4 GFLOPS (1:32)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
63.90 TFLOPS (2:1)
AI/RT
RT Cores
6
48
+700.0%
Matrix Cores
—
96
Power
TDP
40 W
190 W
TDP (W)
40
190
+375.0%
Suggested PSU
—
450 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 3.0
GPU Name
Rembrandt
Navi 32
Codename
—
Wheat Nas
Generation
Navi II IGP
(Rembrandt Mobile)
Radeon Pro Navi
(Navi III Series)
Process Size
6 nm
5 nm
Transistors
13,100 million
28,100 million
Die Size
208 mm²
346 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
81.2M / 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
2.2
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
241 mm
9.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
4x DisplayPort 2.1
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Launch Price
—
999 USD
Production
End-of-life
—
Predecessor
Vega II IGP
Radeon Pro Vega
Successor
Navi III IGP
—