Home GPU Comparison AMD Radeon R5 M255 vs AMD Radeon HD 8550M

AMD Radeon R5 M255 vs AMD Radeon HD 8550M

AMD Radeon R5 M255
VS
AMD Radeon HD 8550M
AMD Radeon R5 M255
AMD Radeon HD 8550M
We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 1024MB VRAM Radeon HD 8550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages
Boost Clock has increased by 11% (940MHz vs 850MHz)
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)
64 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R5 M255 +32%
0.721 TFLOPS
Radeon HD 8550M
0.544 TFLOPS
Radeon R5 M255
VS
Radeon HD 8550M

Graphics Card

Oct 2014
Release Date
Jul 2014
Gem System
Generation
Solar System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

925 MHz
Base Clock
650 MHz
940 MHz
Boost Clock
850 MHz
1000 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
32.00GB/s
Bandwidth
14.40GB/s

Render Config

6
Compute Units
5
-
-
-
384
Shading Units
320
24
TMUs
20
8
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

7.520 GPixel/s
Pixel Rate
6.800 GPixel/s
22.56 GTexel/s
Texture Rate
17.00 GTexel/s
721.9 GFLOPS
FP16 (half)
-
721.9 GFLOPS
FP32 (float)
544.0 GFLOPS
45.12 GFLOPS
FP64 (double)
34.00 GFLOPS

Board Design

Unknown
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
-
-
-

Graphics Processor

Topaz
GPU Name
Sun
Topaz PRO (216-0858030)
GPU Variant
Sun S3 LE (216-0841036)
GCN 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.55 billion
Transistors
0.69 billion
125 mm²
Die Size
56 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
2.1 (1.2)
1.2.170
Vulkan
1.2.170
-
-
-
6.5
Shader Model
6.5 (5.1)

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