NVIDIA GeForce GT 420M vs AMD Radeon HD 8790M

VS

NVIDIA GeForce GT 420M

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8790M 's Advantages

Released 2 years and 7 months late

Boost Clock900MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon HD 8790M +259%

0.691 TFLOPS

GeForce GT 420M

VS

Radeon HD 8790M

Graphics Card

Sep 2010

Release Date

Apr 2013

GeForce 400M

Generation

Solar System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

2

SM Count

-

96

Shading Units

384

16

TMUs

24

4

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

7.200 GPixel/s

8.000 GTexel/s

Texture Rate

21.60 GTexel/s

-

192.0 GFLOPS

FP32 (float)

691.2 GFLOPS

16.00 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

23W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

Mars

N11P-GE-A1

GPU Variant

Mars M2 XTX (216-0842036)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

0.95 billion

116 mm²

Die Size

77 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)

Related GPU Comparisons

1

NVIDIA GeForce GT 420M vs AMD FirePro W6170M

2

NVIDIA GeForce GT 420M vs NVIDIA GeForce GTX 765M

3

NVIDIA GeForce GT 420M vs NVIDIA GeForce 720M

4

NVIDIA GeForce GT 420M vs AMD Radeon RX 550 Mobile

5

NVIDIA GeForce GT 420M vs AMD Radeon R9 M275

6

NVIDIA GeForce GT 420M vs NVIDIA GeForce GT 525M

7

NVIDIA GeForce GT 420M vs AMD Radeon HD 7370M

8

NVIDIA GeForce GT 420M vs NVIDIA GeForce GTX 870M

9

NVIDIA GeForce GT 420M vs AMD Radeon R5 A335

10

NVIDIA GeForce GT 420M vs NVIDIA GeForce GT 710M

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game