Radeon RX 540 Mobile vs Radeon HD 6490M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540 Mobile and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 540 Mobile Advantages
Released 6 years and 6 months late
Boost Clock1219MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (96.00GB/s vs 25.41GB/s)
352 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 540 Mobile
+420%
1248
Radeon HD 6490M Mac Edition
240
Graphics Card
Nov 2017
Release Date
May 2011
Mobility Radeon
Generation
Vancouver
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1124 MHz
Base Clock
-
1219 MHz
Boost Clock
-
1500 MHz
Memory Clock
794 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
96.00GB/s
Bandwidth
25.41GB/s
Render Config
8
Compute Units
2
512
Shading Units
160
32
TMUs
8
16
ROPs
4
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
19.50 GPixel/s
Pixel Rate
3.000 GPixel/s
39.01 GTexel/s
Texture Rate
6.000 GTexel/s
1248 GFLOPS
FP16 (half)
-
1248 GFLOPS
FP32 (float)
240.0 GFLOPS
78.02 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
Lexa
GPU Name
Seymour
Lexa PRO
(215-0904018)
(215-0904018)
GPU Variant
Seymour XTX M2
(216-0809000)
(216-0809000)
GCN 4.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
2.2 billion
Transistors
0.37 billion
103 mm²
Die Size
67 mm²
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2
Vulkan
N/A
6.4
Shader Model
5.0
