AMD Radeon RX 550X Mobile vs AMD Radeon HD 6850 X2
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Sep 2011
Generation
Mobility Radeon
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
1100 MHz
-
Boost Clock
1176 MHz
-
Memory Clock
1500 MHz
1050 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
256bit
Bandwidth
48.00GB/s
134.4GB/s
Render Config
Compute Units
10
12
Shading Units
640
960
TMUs
40
48
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
18.82 GPixel/s
25.60 GPixel/s
Texture Rate
47.04 GTexel/s
38.40 GTexel/s
FP16 (half)
1.505 TFLOPS
-
FP32 (float)
1.505 TFLOPS
1.536 TFLOPS
FP64 (double)
94.08 GFLOPS
-
Graphics Processor
GPU Name
Polaris 23
Barts
GPU Variant
Polaris 23 MXT
Barts PRO(215-0798006)
Architecture
GCN 4.0
TeraScale 2
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
2.2 billion
1.7 billion
Die Size
103 mm²
255 mm²
Board Design
TDP
50W
254W
Outputs
No outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
None
2x 8-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.2
N/A
Shader Model
6.4
5.0