AMD Radeon HD 8590M vs NVIDIA GeForce GT 420M

VS

AMD Radeon HD 8590M

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M 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 HD 8590M 's Advantages

Released 2 years and 6 months late

Boost Clock825MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (36.00GB/s vs 25.60GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8590M +175%

0.528 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon HD 8590M

VS

GeForce GT 420M

Graphics Card

Mar 2013

Release Date

Sep 2010

Solar System

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

750 MHz

Base Clock

-

825 MHz

Boost Clock

-

1125 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

36.00GB/s

Bandwidth

25.60GB/s

Render Config

5

Compute Units

-

SM Count

2

320

Shading Units

96

20

TMUs

16

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

2.000 GPixel/s

16.50 GTexel/s

Texture Rate

8.000 GTexel/s

-

528.0 GFLOPS

FP32 (float)

192.0 GFLOPS

33.00 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

Unknown

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GF108

-

GPU Variant

N11P-GE-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

0.585 billion

56 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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