AMD Radeon R9 285X vs AMD Radeon RX 6450M
GPU Specs Compare
Graphics Card
Release Date
Unknown
Jan 2023
Generation
Volcanic Islands
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Memory Clock
1375 MHz
2000 MHz
Base Clock
-
2000 MHz
Boost Clock
-
2460 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
64bit
Bandwidth
264.0GB/s
128.0GB/s
Render Config
Compute Units
32
12
Shading Units
2048
768
TMUs
128
48
ROPs
32
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
1024 KB
RT Cores
-
12
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
32.06 GPixel/s
78.72 GPixel/s
Texture Rate
128.3 GTexel/s
118.1 GTexel/s
FP32 (float)
4.104 TFLOPS
3.779 TFLOPS
FP16 (half)
-
7.557 TFLOPS
FP64 (double)
-
236.2 GFLOPS
Graphics Processor
GPU Name
Tonga
Navi 24
GPU Variant
Tonga XT(215-0851313)
Navi 24 XML
Architecture
GCN 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
5 billion
5.4 billion
Die Size
366 mm²
107 mm²
Board Design
TDP
200W
50W
Suggested PSU
550 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.2
1.3
Shader Model
6.3
6.7