Home GPU Comparison AMD Radeon RX 550X Mobile vs ATI Mobility Radeon HD 3850 X2

AMD Radeon RX 550X Mobile vs ATI Mobility Radeon HD 3850 X2

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550X Mobile and 512MB VRAM Mobility Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X Mobile 's Advantages
Released 9 years and 10 months late
Boost Clock1176MHz
More VRAM (2GB vs 512GB)
320 additional rendering cores
Lower TDP (50W vs 70W)

Score

Benchmark

FP32 (float)
Radeon RX 550X Mobile +305%
1.505 TFLOPS
Mobility Radeon HD 3850 X2
0.371 TFLOPS
VS

Graphics Card

Apr 2018
Release Date
Jun 2008
Mobility Radeon
Generation
M8x
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

1100 MHz
Base Clock
-
1176 MHz
Boost Clock
-
1500 MHz
Memory Clock
750 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
64bit
Memory Bus
256bit
48.00GB/s
Bandwidth
48.00GB/s

Render Config

10
Compute Units
4
-
-
-
640
Shading Units
320
40
TMUs
16
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

18.82 GPixel/s
Pixel Rate
9.280 GPixel/s
47.04 GTexel/s
Texture Rate
9.280 GTexel/s
1.505 TFLOPS
FP16 (half)
-
1.505 TFLOPS
FP32 (float)
371.2 GFLOPS
94.08 GFLOPS
FP64 (double)
74.24 GFLOPS

Board Design

50W
TDP
70W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Polaris 23
GPU Name
M88
Polaris 23 MXT
GPU Variant
-
GCN 4.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
55 nm
2.2 billion
Transistors
0.666 billion
103 mm²
Die Size
192 mm²

Graphics Features

12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
6.4
Shader Model
4.1

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