AMD Radeon RX 6450M vs AMD Radeon HD 8870 OEM
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2013
Generation
Navi Mobile
Sea Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Clock Speeds
Base Clock
2000 MHz
-
Boost Clock
2460 MHz
-
Memory Clock
2000 MHz
1200 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
256bit
Bandwidth
128.0GB/s
153.6GB/s
Render Config
Compute Units
12
20
Shading Units
768
1280
TMUs
48
80
ROPs
32
32
RT Cores
12
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
1024 KB
512 KB
L3 Cache
16 MB
-
Theoretical Performance
Pixel Rate
78.72 GPixel/s
32.00 GPixel/s
Texture Rate
118.1 GTexel/s
80.00 GTexel/s
FP16 (half)
7.557 TFLOPS
-
FP32 (float)
3.779 TFLOPS
2.560 TFLOPS
FP64 (double)
236.2 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
Navi 24
Pitcairn
GPU Variant
Navi 24 XML
Pitcairn XT(215-0828047)
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
5.4 billion
2.8 billion
Die Size
107 mm²
212 mm²
Board Design
TDP
50W
175W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.2
1.2
Vulkan
1.3
1.2
Shader Model
6.7
5.1