Home GPU Comparison AMD Radeon RX 580X Mobile vs NVIDIA GeForce GT 635M

AMD Radeon RX 580X Mobile vs NVIDIA GeForce GT 635M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile and 1024MB VRAM GeForce GT 635M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X Mobile 's Advantages
Released 6 years and 1 months late
Boost Clock1077MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 28.80GB/s)
2208 additional rendering cores
NVIDIA GeForce GT 635M 's Advantages
Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)
Radeon RX 580X Mobile +1861%
4.963 TFLOPS
GeForce GT 635M
0.253 TFLOPS
VS

Graphics Card

Apr 2018
Release Date
Mar 2012
Mobility Radeon
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

1000 MHz
Base Clock
-
1077 MHz
Boost Clock
-
2000 MHz
Memory Clock
900 MHz

Memory

8GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
256.0GB/s
Bandwidth
28.80GB/s

Render Config

36
Compute Units
-
-
SM Count
2
2304
Shading Units
96
144
TMUs
16
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

34.46 GPixel/s
Pixel Rate
2.640 GPixel/s
155.1 GTexel/s
Texture Rate
10.56 GTexel/s
4.963 TFLOPS
FP16 (half)
-
4.963 TFLOPS
FP32 (float)
253.4 GFLOPS
310.2 GFLOPS
FP64 (double)
21.12 GFLOPS

Board Design

100W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

Polaris 20
GPU Name
GF108
Polaris 20M XT
GPU Variant
N12E-GE-A1
GCN 4.0
Architecture
Fermi
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
5.7 billion
Transistors
0.585 billion
232 mm²
Die Size
116 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.4
Shader Model
5.1

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