Home GPU Comparison AMD Radeon R7 M340 vs AMD Radeon RX 540 Mobile

AMD Radeon R7 M340 vs AMD Radeon RX 540 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 2GB VRAM Radeon RX 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540 Mobile 's Advantages
Released 1 years and 11 months late
Boost Clock has increased by 70% (1219MHz vs 715MHz)
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 16.00GB/s)
128 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R7 M340
0.549 TFLOPS
Radeon RX 540 Mobile +127%
1.248 TFLOPS
VS

Graphics Card

Dec 2015
Release Date
Nov 2017
Gem System
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

620 MHz
Base Clock
1124 MHz
715 MHz
Boost Clock
1219 MHz
1000 MHz
Memory Clock
1500 MHz

Memory

1024MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
16.00GB/s
Bandwidth
96.00GB/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
512 KB
-
-
-

Theoretical Performance

5.720 GPixel/s
Pixel Rate
19.50 GPixel/s
17.16 GTexel/s
Texture Rate
39.01 GTexel/s
-
FP16 (half)
1248 GFLOPS
549.1 GFLOPS
FP32 (float)
1248 GFLOPS
34.32 GFLOPS
FP64 (double)
78.02 GFLOPS

Board Design

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

Graphics Processor

Opal
GPU Name
Lexa
Opal PRO
GPU Variant
Lexa PRO (215-0904018)
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
0.95 billion
Transistors
2.2 billion
77 mm²
Die Size
103 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
2.1
1.2.170
Vulkan
1.2
-
-
-
6.5 (5.1)
Shader Model
6.4

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