AMD Radeon RX 7900M vs NVIDIA GeForce MX450 GDDR6

AMD Radeon RX 7900M
NVIDIA GeForce MX450 GDDR6
4608 Shaders
16GB GDDR6
2090MHz
896 Shaders
2GB GDDR6
1575MHz
FP32
38.52 TFLOPS
FP32
2.82 TFLOPS
FP16
77.05 TFLOPS
FP16
5.65 TFLOPS
Form Factor
Soldered
-
Form Factor
Soldered
-
TDP
180W
TDP
31W
-
-
-
-
-
-
-
-
-
-
GB5 OpenCL N/A
0%
GB5 OpenCL 27,310
9%
GB5 CUDA N/A
0%
GB5 CUDA 29,245
12%
GB5 Metal N/A
0%
GB5 Metal N/A
0%
GB5 Vulkan N/A
0%
GB5 Vulkan 25,690
13%
OCT 2020.1 N/A
0%
OCT 2020.1 60
8%
OCT Metal N/A
0%
OCT Metal N/A
0%
Manufacturer
AMD
Manufacturer
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
RDNA 3
Architecture
Turing
Family
Radeon RX 7000
Family
GeForce MX
Codename
Plum Bonito
Navi 31
Variant
Navi 31 XL GL
Codename
NV167
TU117
Variant
N18S-G5
Market Segment
Laptop
Market Segment
Laptop
Release Date
10/19/2023
Release Date
8/1/2020
Foundry
TSMC
TSMC Memory Cache Die
Foundry
TSMC
-
Fabrication Node
N5
N6 Memory Cache Die
Fabrication Node
12FFN
-
Die Size
304 mm²
6x 38 mm² Memory Cache Die
Die Size
200 mm²
-
Transistor Count
45.4 Billion
6x 2.1 Billion Memory Cache Die
Transistor Count
4.7 Billion
-
Transistor Density
149.17M/mm²
54.64M/mm² Memory Cache Die
Transistor Density
23.50M/mm²
-
Form
Soldered
Form
Soldered
Shading Units
4608 Shaders
-
Shading Units
896 Shaders
-
Texture Mapping Units
288 TMUs
Texture Mapping Units
56 TMUs
Render Output Units
192 ROPs
Render Output Units
32 ROPs
-
-
-
-
Ray-Tracing Cores
72 RT-Cores
-
-
-
-
Streaming Multiprocessors
14 SMs
Compute Units
72 CUs
-
-
-
-
-
-
-
-
Graphics Processing Clusters
2 GPCs
-
-
1825MHz Base
2090MHz
-
-
1395MHz Base
1575MHz
-
-
-
-
-
-
-
-
-
-
FP16
77.05 TFLOPS
-
FP16
5.65 TFLOPS
-
-
-
-
-
-
-
FP32
38.52 TFLOPS
FP32
2.82 TFLOPS
-
-
-
-
FP64
1.2 TFLOPS
-
FP64
0.09 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
401.28 GPixel/s
Pixel Fillrate
50.4 GPixel/s
-
-
-
-
Texture Fillrate
601.92 GTexel/s
Texture Fillrate
88.2 GTexel/s
L0
64KB/WGP
-
-
L1
-
-
-
256KB/Array
L1
32KB/SM Tex
64KB/SM
-
-
L2
6MB Shared
L2
1MB Shared
L3
64MB Shared
2.33TB/s
-
-
-
16GB
GDDR6
-
2GB
GDDR6
-
Bus Width
256Bit
Bus Width
64Bit
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
576GB/s
Clock
1250MHz
Transfer Rate
10GT/s
Bandwidth
80GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
180W
TDP
31W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
Max Resolution
15360x8640
Max Resolution
7680x4320
Max Resolution Refresh Rate
165Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
G-Sync
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
3
Multi Monitor Support
2
Content Protection
HDCP 2.3
Content Protection
HDCP 2.2
Model
VCN 4.0
No Encoders
-
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Model
VCN 4.0
No Decoders
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_1
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
6.7
-
-
GFX
11
-
-
-
-
Shader Model
6.6
CUDA
7.5
-
-
PureVideo HD
VP10
VDPAU
Feature Set J
Not a Card
-
-
-
Not a Card
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PCIe Version
4.0
PCIe Lanes
16
-
-
PCIe Version
4.0
PCIe Lanes
4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Change Comparison