AMD Radeon RX 550 Mobile vs AMD Radeon HD 6970
GPU Specs Compare
Graphics Card
Release Date
Jul 2017
Dec 2010
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
1287 MHz
-
Memory Clock
1500 MHz
1375 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
176.0GB/s
Render Config
Compute Units
10
24
Shading Units
640
1536
TMUs
40
96
ROPs
16
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
20.59 GPixel/s
28.16 GPixel/s
Texture Rate
51.48 GTexel/s
84.48 GTexel/s
FP16 (half)
1.647 TFLOPS
-
FP32 (float)
1.647 TFLOPS
2.703 TFLOPS
FP64 (double)
103.0 GFLOPS
675.8 GFLOPS
Graphics Processor
GPU Name
Lexa
Cayman
GPU Variant
Lexa PRO(215-0904018)
Cayman XT(215-0807007)
Architecture
GCN 4.0
TeraScale 3
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
2.2 billion
2.64 billion
Die Size
103 mm²
389 mm²
Board Design
TDP
50W
250W
Outputs
No outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 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