Home GPU Comparison AMD Radeon RX 550 Mobile vs AMD Radeon HD 7450A

AMD Radeon RX 550 Mobile vs AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550 Mobile and 512MB VRAM Radeon HD 7450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 Mobile 's Advantages
Released 5 years and 6 months late
Boost Clock1287MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (96.00GB/s vs 12.80GB/s)
480 additional rendering cores
AMD Radeon HD 7450A 's Advantages
Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)
Radeon RX 550 Mobile +723%
1.647 TFLOPS
Radeon HD 7450A
0.2 TFLOPS
VS

Graphics Card

Jul 2017
Release Date
Jan 2012
Mobility Radeon
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-A (3.0)

Clock Speeds

1100 MHz
Base Clock
-
1287 MHz
Boost Clock
-
1500 MHz
Memory Clock
800 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
64bit
96.00GB/s
Bandwidth
12.80GB/s

Render Config

10
Compute Units
2
-
-
-
640
Shading Units
160
40
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

20.59 GPixel/s
Pixel Rate
2.500 GPixel/s
51.48 GTexel/s
Texture Rate
5.000 GTexel/s
1.647 TFLOPS
FP16 (half)
-
1.647 TFLOPS
FP32 (float)
200.0 GFLOPS
103.0 GFLOPS
FP64 (double)
-

Board Design

50W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Lexa
GPU Name
Caicos
Lexa PRO (215-0904018)
GPU Variant
-
GCN 4.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
2.2 billion
Transistors
0.37 billion
103 mm²
Die Size
67 mm²

Graphics Features

12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
6.4
Shader Model
5.0

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