AMD Radeon HD 8590M vs NVIDIA GeForce 820A

VS

AMD Radeon HD 8590M

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8590M 's Advantages

Boost Clock825MHz

Larger VRAM bandwidth (36.00GB/s vs 14.40GB/s)

224 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Released 1 years late

Score

Benchmark

FP32 (float)

Radeon HD 8590M +77%

0.528 TFLOPS

GeForce 820A

0.298 TFLOPS

Radeon HD 8590M

VS

GeForce 820A

Graphics Card

Mar 2013

Release Date

Mar 2014

Solar System

Generation

GeForce 800A

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

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

36.00GB/s

Bandwidth

14.40GB/s

Render Config

5

Compute Units

-

SM Count

2

320

Shading Units

96

20

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

3.100 GPixel/s

16.50 GTexel/s

Texture Rate

12.40 GTexel/s

-

528.0 GFLOPS

FP32 (float)

297.6 GFLOPS

33.00 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

Unknown

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GF117

-

GPU Variant

N15V-GM

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 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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