Home GPU Comparison AMD Radeon HD 8590M vs AMD Radeon R5 M255

AMD Radeon HD 8590M vs AMD Radeon R5 M255

AMD Radeon HD 8590M
VS
AMD Radeon R5 M255
AMD Radeon HD 8590M
AMD Radeon R5 M255
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8590M 's Advantages
Larger VRAM bandwidth (36.00GB/s vs 32.00GB/s)
AMD Radeon R5 M255 's Advantages
Released 1 years and 7 months late
Boost Clock has increased by 14% (940MHz vs 825MHz)
More VRAM (2GB vs 1024GB)
64 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8590M
0.528 TFLOPS
Radeon R5 M255 +36%
0.721 TFLOPS
Radeon HD 8590M
VS
Radeon R5 M255

Graphics Card

Mar 2013
Release Date
Oct 2014
Solar System
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

750 MHz
Base Clock
925 MHz
825 MHz
Boost Clock
940 MHz
1125 MHz
Memory Clock
1000 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
128bit
36.00GB/s
Bandwidth
32.00GB/s

Render Config

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

Theoretical Performance

6.600 GPixel/s
Pixel Rate
7.520 GPixel/s
16.50 GTexel/s
Texture Rate
22.56 GTexel/s
-
FP16 (half)
721.9 GFLOPS
528.0 GFLOPS
FP32 (float)
721.9 GFLOPS
33.00 GFLOPS
FP64 (double)
45.12 GFLOPS

Board Design

Unknown
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-

Graphics Processor

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

Graphics Features

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

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