NVIDIA GeForce GT 420M vs AMD Radeon R9 A375

VS

NVIDIA GeForce GT 420M

AMD Radeon R9 A375

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 2GB VRAM Radeon R9 A375 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 A375 's Advantages

Released 4 years and 4 months late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 25.60GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon R9 A375 +576%

1.299 TFLOPS

GeForce GT 420M

VS

Radeon R9 A375

Graphics Card

Sep 2010

Release Date

Jan 2015

GeForce 400M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

800 MHz

Memory Clock

1125 MHz

Memory

512MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

2

SM Count

-

96

Shading Units

640

16

TMUs

40

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

16.24 GPixel/s

8.000 GTexel/s

Texture Rate

40.60 GTexel/s

-

192.0 GFLOPS

FP32 (float)

1299 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF108

GPU Name

Venus

N11P-GE-A1

GPU Variant

Venus XTX (216-0846033)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

1.5 billion

116 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

2.1

CUDA

-

5.1

Shader Model

6.5 (5.1)

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