AMD Radeon Pro 575X vs NVIDIA GeForce GT 420M

VS

AMD Radeon Pro 575X

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 575X and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 575X 's Advantages

Released 8 years and 6 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (217.6GB/s vs 25.60GB/s)

1952 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 150W)

Score

Benchmark

FP32 (float)

Radeon Pro 575X +2238%

4.489 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon Pro 575X

VS

GeForce GT 420M

Graphics Card

Mar 2019

Release Date

Sep 2010

Radeon Pro Mac

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1700 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

217.6GB/s

Bandwidth

25.60GB/s

Render Config

32

Compute Units

-

SM Count

2

2048

Shading Units

96

128

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

35.07 GPixel/s

Pixel Rate

2.000 GPixel/s

140.3 GTexel/s

Texture Rate

8.000 GTexel/s

4.489 TFLOPS

FP16 (half)

-

4.489 TFLOPS

FP32 (float)

192.0 GFLOPS

280.6 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

150W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

GF108

Polaris 20 XL (215-0910052)

GPU Variant

N11P-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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