Home GPU Comparison AMD Radeon R5 M445 vs AMD Radeon R9 M275X

AMD Radeon R5 M445 vs AMD Radeon R9 M275X

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M445 and 2GB VRAM Radeon R9 M275X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M445 's Advantages
Released 2 years late
More VRAM (4GB vs 2GB)
AMD Radeon R9 M275X 's Advantages
Boost Clock925MHz
Larger VRAM bandwidth (72.00GB/s vs 32.00GB/s)
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R5 M445
0.706 TFLOPS
Radeon R9 M275X +67%
1.184 TFLOPS
VS

Graphics Card

Jan 2016
Release Date
Jan 2014
Gem System
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
900 MHz
-
Boost Clock
925 MHz
1000 MHz
Memory Clock
1125 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
32.00GB/s
Bandwidth
72.00GB/s

Render Config

6
Compute Units
10
-
-
-
384
Shading Units
640
24
TMUs
40
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

7.360 GPixel/s
Pixel Rate
14.80 GPixel/s
22.08 GTexel/s
Texture Rate
37.00 GTexel/s
-
-
-
706.6 GFLOPS
FP32 (float)
1184 GFLOPS
-
FP64 (double)
74.00 GFLOPS

Board Design

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

Graphics Processor

Meso
GPU Name
Venus
Meso XT (216-0864018)
GPU Variant
Venus XTX (216-0846033)
GCN 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.55 billion
Transistors
1.5 billion
125 mm²
Die Size
123 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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