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 W7900
CORE STATE
Navi 31
VRAM
48 GB
CLOCK SPEED
2495 MHz
TDP
295 W
BUS WIDTH
384 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
660M
PRO W7900
Core Specs
Shading Units
384
6,144
+1500.0%
Shaders
384
6,144
+1500.0%
TMUs
24
384
+1500.0%
ROPs
16
192
+1100.0%
Compute Units
6
96
+1500.0%
Clocks
Base Clock
1500 MHz
1855 MHz
Boost Clock
1900 MHz
2495 MHz
Memory Clock
System Shared
2250 MHz
18 Gbps effective
Memory
Memory Size
System Shared
48 GB
VRAM (MB)
—
49,152
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
384 bit
Bandwidth
System Dependent
864.0 GB/s
Cache
L1 Cache
128 KB per Array
256 KB per Array
L2 Cache
2 MB
6 MB
L3 Cache
—
96 MB
L0 Cache
32 KB per WGP
64 KB per WGP
Performance
Pixel Rate
30.40 GPixel/s
479.0 GPixel/s
Texture Rate
45.60 GTexel/s
958.1 GTexel/s
FP32 (TFLOPS)
1,459.2 GFLOPS
61.32 TFLOPS
FP64 (TFLOPS)
91.20 GFLOPS (1:16)
1.916 TFLOPS (1:32)
FP16 (TFLOPS)
2.918 TFLOPS (2:1)
122.6 TFLOPS (2:1)
AI/RT
RT Cores
6
96
+1500.0%
Matrix Cores
—
192
Power
TDP
40 W
295 W
TDP (W)
40
295
+637.5%
Suggested PSU
—
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 3.0
GPU Name
Rembrandt
Navi 31
Codename
—
Plum Bonito
Generation
Navi II IGP
(Rembrandt Mobile)
Radeon Pro Navi
(Navi III Series)
Process Size
6 nm
5 nm
Transistors
13,100 million
57,700 million
Die Size
208 mm²
529 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
109.1M / mm²
AMD MCM
GCD Transistors
—
45,400 million
GCD Die Size
—
304.35 mm²
MCD Transistors
—
2,050 million x6
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
Triple-slot
Length
—
280 mm
11 inches
Height
—
110 mm
4.3 inches
Outputs
Portable Device Dependent
3x DisplayPort 2.11x mini-DisplayPort 2.1
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Launch Price
—
3,999 USD
Production
End-of-life
Active
Predecessor
Vega II IGP
Radeon Pro Vega
Successor
Navi III IGP
—