AMD Radeon HD 8870 OEM vs AMD Radeon Pro W5500M
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Feb 2020
Generation
Sea Islands
Radeon Pro Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1200 MHz
1750 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1700 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
153.6GB/s
224.0GB/s
Render Config
Compute Units
20
22
Shading Units
1280
1408
TMUs
80
88
ROPs
32
32
L1 Cache
16 KB (per CU)
-
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
54.40 GPixel/s
Texture Rate
80.00 GTexel/s
149.6 GTexel/s
FP32 (float)
2.560 TFLOPS
4.787 TFLOPS
FP64 (double)
160.0 GFLOPS
299.2 GFLOPS
FP16 (half)
-
9.574 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 14
GPU Variant
Pitcairn XT(215-0828047)
Navi 14 PRO XTM
Architecture
GCN 1.0
RDNA 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.8 billion
6.4 billion
Die Size
212 mm²
158 mm²
Board Design
TDP
175W
85W
Suggested PSU
450 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.5