NVIDIA GeForce GT 420M vs AMD Radeon E9390 PCIe

VS

NVIDIA GeForce GT 420M

AMD Radeon E9390 PCIe

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 8GB VRAM Radeon E9390 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 75W)

AMD Radeon E9390 PCIe 's Advantages

Released 9 years and 1 months late

Boost Clock1089MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

1696 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon E9390 PCIe +1932%

3.903 TFLOPS

GeForce GT 420M

VS

Radeon E9390 PCIe

Graphics Card

Sep 2010

Release Date

Oct 2019

GeForce 400M

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

713 MHz

-

Boost Clock

1089 MHz

800 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

28

2

SM Count

-

96

Shading Units

1792

16

TMUs

112

4

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

34.85 GPixel/s

8.000 GTexel/s

Texture Rate

122.0 GTexel/s

-

FP16 (half)

3.903 TFLOPS

192.0 GFLOPS

FP32 (float)

3.903 TFLOPS

16.00 GFLOPS

FP64 (double)

243.9 GFLOPS

Board Design

23W

TDP

75W

-

No outputs

Outputs

4x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

Ellesmere

N11P-GE-A1

GPU Variant

-

Fermi

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.585 billion

Transistors

5.7 billion

116 mm²

Die Size

232 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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