AMD Radeon RX 7800M vs AMD Radeon 660M
GPU · Specs Compare
Graphics Card
Release Date
Sep 2024
Jan 2022
Generation
Navi Mobile
Rembrandt
Type
Mobile
Integrated
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1295 MHz
1500 MHz
Boost Clock
2335 MHz
1900 MHz
Memory Clock
2250 MHz
System Shared
Memory
Memory Size
12GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
192bit
System Shared
Bandwidth
432.0GB/s
System Dependent
Render Config
Compute Units
60
6
Shading Units
3840
384
TMUs
240
24
ROPs
96
16
RT Cores
60
6
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
4 MB
2 MB
L3 Cache
48 MB
—
Theoretical Performance
Pixel Rate
224.2 GPixel/s
30.40 GPixel/s
Texture Rate
560.4 GTexel/s
45.60 GTexel/s
FP16 (half)
71.73 TFLOPS
2.918 TFLOPS
FP32 (float)
35.87 TFLOPS
1459 GFLOPS
FP64 (double)
1121 GFLOPS
91.20 GFLOPS
Graphics Processor
GPU Name
Navi 32
Rembrandt
GPU Variant
Navi 32 XT(215-180000006)
—
Architecture
RDNA 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
6 nm
Transistors
28.1 billion
13.1 billion
Die Size
346 mm²
210 mm²
Board Design
TDP
180W
15W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.0
Vulkan
1.3
1.2
Shader Model
6.8
6.5
Benchmark
3DMark Time Spy
—
1,537
3DMark Time Spy Extreme
—
701
▲ Specs Compare
Data sourced from official specifications and benchmark tests.