NVIDIA GeForce GTX 580M vs NVIDIA GeForce 820M

VS

NVIDIA GeForce GTX 580M

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 580M and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 580M 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 28.83GB/s)

NVIDIA GeForce 820M 's Advantages

Released 3 years and 9 months late

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 580M +53%

0.952 TFLOPS

GeForce 820M

0.622 TFLOPS

GeForce GTX 580M

VS

GeForce 820M

Graphics Card

Jun 2011

Release Date

Mar 2015

GeForce 500M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

750 MHz

Memory Clock

901 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

96.00GB/s

Bandwidth

28.83GB/s

Render Config

-

8

SM Count

-

384

Shading Units

384

64

TMUs

32

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

6.480 GPixel/s

39.68 GTexel/s

Texture Rate

25.92 GTexel/s

-

952.3 GFLOPS

FP32 (float)

622.1 GFLOPS

79.36 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GF114

GPU Name

GK107

N12E-GTX2-A1

GPU Variant

-

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

1.27 billion

332 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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