AMD Radeon RX 6450M vs AMD Radeon RX 590
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Nov 2018
Generation
Navi Mobile
Polaris
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Clock Speeds
Base Clock
2000 MHz
1469 MHz
Boost Clock
2460 MHz
1545 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
256bit
Bandwidth
128.0GB/s
256.0GB/s
Render Config
Compute Units
12
36
Shading Units
768
2304
TMUs
48
144
ROPs
32
32
RT Cores
12
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
1024 KB
2 MB
L3 Cache
16 MB
—
Theoretical Performance
Pixel Rate
78.72 GPixel/s
49.44 GPixel/s
Texture Rate
118.1 GTexel/s
222.5 GTexel/s
FP16 (half)
7.557 TFLOPS
7.119 TFLOPS
FP32 (float)
3.779 TFLOPS
7.119 TFLOPS
FP64 (double)
236.2 GFLOPS
445.0 GFLOPS
Graphics Processor
GPU Name
Navi 24
Polaris 30
GPU Variant
Navi 24 XML
Polaris 30 XT(215-0922006)
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
6 nm
12 nm
Transistors
5.4 billion
5.7 billion
Die Size
107 mm²
232 mm²
Board Design
TDP
50W
175W
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2
Shader Model
6.7
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.