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GPU Comparison
AMD Radeon 520 Mobile vs AMD Radeon RX 640 Mobile
AMD Radeon 520 Mobile vs AMD Radeon RX 640 Mobile
VS
AMD Radeon 520 Mobile
AMD Radeon RX 640 Mobile
We compared two Mobile platform GPUs: 2GB VRAM Radeon 520 Mobile and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 640 Mobile 's Advantages
Released 2 years and 1 months late
Boost Clock1218MHz
Larger VRAM bandwidth (48.00GB/s vs 16.00GB/s)
320 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon 520 Mobile
0.659 TFLOPS
Radeon RX 640 Mobile
+136%
1.559 TFLOPS
Radeon 520 Mobile
VS
Radeon RX 640 Mobile
Graphics Card
Apr 2017
Release Date
May 2019
Mobility Radeon
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1082 MHz
-
Boost Clock
1218 MHz
1000 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
16.00GB/s
Bandwidth
48.00GB/s
Render Config
5
Compute Units
10
-
-
-
320
Shading Units
640
20
TMUs
40
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
8.240 GPixel/s
Pixel Rate
19.49 GPixel/s
20.60 GTexel/s
Texture Rate
48.72 GTexel/s
-
FP16 (half)
1.559 TFLOPS
659.2 GFLOPS
FP32 (float)
1.559 TFLOPS
41.20 GFLOPS
FP64 (double)
97.44 GFLOPS
Board Design
50W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Banks
GPU Name
Polaris 23
Banks PRO (216-0568010)
GPU Variant
Polaris 23 XT
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
0.69 billion
Transistors
2.2 billion
56 mm²
Die Size
103 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
-
-
-
5.1
Shader Model
6.4
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