Home GPU Comparison AMD Radeon R5 M255 vs AMD Radeon E9173 PCIe

AMD Radeon R5 M255 vs AMD Radeon E9173 PCIe

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 2GB VRAM Radeon E9173 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9173 PCIe 's Advantages
Released 3 years late
Boost Clock has increased by 30% (1219MHz vs 940MHz)
Larger VRAM bandwidth (48.00GB/s vs 32.00GB/s)
128 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R5 M255
0.721 TFLOPS
Radeon E9173 PCIe +73%
1.248 TFLOPS
VS

Graphics Card

Oct 2014
Release Date
Oct 2017
Gem System
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

925 MHz
Base Clock
1124 MHz
940 MHz
Boost Clock
1219 MHz
1000 MHz
Memory Clock
1500 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
32.00GB/s
Bandwidth
48.00GB/s

Render Config

6
Compute Units
8
-
-
-
384
Shading Units
512
24
TMUs
32
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

7.520 GPixel/s
Pixel Rate
19.50 GPixel/s
22.56 GTexel/s
Texture Rate
39.01 GTexel/s
721.9 GFLOPS
FP16 (half)
1248 GFLOPS
721.9 GFLOPS
FP32 (float)
1248 GFLOPS
45.12 GFLOPS
FP64 (double)
78.02 GFLOPS

Board Design

Unknown
TDP
35W
-
-
-
Portable Device Dependent
Outputs
1x DisplayPort 1.4a 2x mini-DisplayPort 1.4a
-
Power Connectors
None

Graphics Processor

Topaz
GPU Name
Lexa
Topaz PRO (216-0858030)
GPU Variant
E9170
GCN 3.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
1.55 billion
Transistors
2.2 billion
125 mm²
Die Size
103 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2.170
Vulkan
1.2
-
-
-
6.5
Shader Model
6.4

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