Home GPU Comparison AMD Radeon 550X Mobile vs AMD Radeon HD 6450M

AMD Radeon 550X Mobile vs AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages
Released 7 years and 3 months late
Boost Clock1287MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (48.00GB/s vs 12.80GB/s)
480 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon 550X Mobile +757%
1.647 TFLOPS
Radeon HD 6450M
0.192 TFLOPS
VS

Graphics Card

Apr 2018
Release Date
Jan 2011
Mobility Radeon
Generation
Vancouver
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

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

Memory

4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
64bit
48.00GB/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)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

20.59 GPixel/s
Pixel Rate
2.400 GPixel/s
51.48 GTexel/s
Texture Rate
4.800 GTexel/s
1.647 TFLOPS
FP16 (half)
-
1.647 TFLOPS
FP32 (float)
192.0 GFLOPS
103.0 GFLOPS
FP64 (double)
-

Board Design

50W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

Polaris 23
GPU Name
Seymour
Polaris 23 MXT
GPU Variant
Seymour PRO S3 (216-0809024)
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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