AMD Radeon 680M vs NVIDIA GeForce MX450 25W
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Aug 2020
Generation
Navi II IGP
GeForce MX
Type
Integrated
Mobile
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x4
Clock Speeds
Base Clock
2000 MHz
720 MHz
Boost Clock
2200 MHz
930 MHz
Memory Clock
System Shared
1250 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
64bit
Bandwidth
System Dependent
80.00GB/s
Render Config
Compute Units
12
-
Shading Units
768
896
TMUs
48
56
ROPs
32
32
RT Cores
12
-
L1 Cache
128 KB per Array
64 KB (per SM)
L2 Cache
2 MB
512 KB
SM Count
-
14
Theoretical Performance
Pixel Rate
70.40 GPixel/s
29.76 GPixel/s
Texture Rate
105.6 GTexel/s
52.08 GTexel/s
FP16 (half)
6.758 TFLOPS
3.333 TFLOPS
FP32 (float)
3.379 TFLOPS
1.667 TFLOPS
FP64 (double)
211.2 GFLOPS
52.08 GFLOPS
Graphics Processor
GPU Name
Rembrandt
TU117
Architecture
RDNA 2.0
Turing
Foundry
TSMC
TSMC
Process Size
6 nm
12 nm
Transistors
13.1 billion
4.7 billion
Die Size
208 mm²
200 mm²
GPU Variant
-
N18S-G5
Board Design
TDP
50W
25W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.3
1.3
Shader Model
6.7
6.6
CUDA
-
7.5
📊 Benchmark
3DMark Time Spy
-
1,706