Home GPU Comparison AMD Radeon HD 6490M Mac Edition vs AMD Radeon RX 540X Mobile

AMD Radeon HD 6490M Mac Edition vs AMD Radeon RX 540X Mobile

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 2GB VRAM Radeon RX 540X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540X Mobile 's Advantages
Released 6 years and 11 months late
Boost Clock1211MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (96.00GB/s vs 25.41GB/s)
352 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6490M Mac Edition
0.24 TFLOPS
Radeon RX 540X Mobile +416%
1.24 TFLOPS
VS

Graphics Card

May 2011
Release Date
Apr 2018
Vancouver
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1124 MHz
-
Boost Clock
1211 MHz
794 MHz
Memory Clock
1500 MHz

Memory

256MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
25.41GB/s
Bandwidth
96.00GB/s

Render Config

2
Compute Units
8
-
-
-
160
Shading Units
512
8
TMUs
32
4
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

3.000 GPixel/s
Pixel Rate
19.38 GPixel/s
6.000 GTexel/s
Texture Rate
38.75 GTexel/s
-
FP16 (half)
1240 GFLOPS
240.0 GFLOPS
FP32 (float)
1240 GFLOPS
-
FP64 (double)
77.50 GFLOPS

Board Design

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

Graphics Processor

Seymour
GPU Name
Polaris 23
Seymour XTX M2 (216-0809000)
GPU Variant
Polaris 23 MXL
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
0.37 billion
Transistors
2.2 billion
67 mm²
Die Size
103 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
6.4

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