NVIDIA GeForce 820A vs AMD Radeon HD 7590M

VS

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 820A and 1024MB VRAM Radeon HD 7590M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820A 's Advantages

Released 2 years and 2 months late

Lower TDP (15W vs 18W)

AMD Radeon HD 7590M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820A

0.298 TFLOPS

Radeon HD 7590M +93%

0.576 TFLOPS

GeForce 820A

VS

Radeon HD 7590M

Graphics Card

Mar 2014

Release Date

Jan 2012

GeForce 800A

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

25.60GB/s

Render Config

2

SM Count

-

Compute Units

6

96

Shading Units

480

16

TMUs

24

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

4.800 GPixel/s

12.40 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

297.6 GFLOPS

FP32 (float)

576.0 GFLOPS

24.80 GFLOPS

FP64 (double)

-

Graphics Processor

GF117

GPU Name

Thames

N15V-GM

GPU Variant

Thames XT (216-0833000)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.585 billion

Transistors

0.716 billion

116 mm²

Die Size

104 mm²

Board Design

15W

TDP

18W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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