NVIDIA GeForce GT 820M vs NVIDIA GeForce GTX 480M

VS

NVIDIA GeForce GT 820M NVIDIA GeForce GTX 480M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 2GB VRAM GeForce GTX 480M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 820M 's Advantages

Released 3 years and 6 months late

Lower TDP (15W vs 100W)

NVIDIA GeForce GTX 480M 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (76.80GB/s vs 14.40GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 820M

0.298 TFLOPS

GeForce GTX 480M +100%

0.598 TFLOPS

GeForce GT 820M

VS

GeForce GTX 480M

Graphics Card

Nov 2013

Release Date

May 2010

GeForce 800M

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

76.80GB/s

Render Config

2

SM Count

11

-

Compute Units

-

96

Shading Units

352

16

TMUs

44

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

512 KB

Theoretical Performance

3.100 GPixel/s

Pixel Rate

9.350 GPixel/s

12.40 GTexel/s

Texture Rate

18.70 GTexel/s

-

FP16 (half)

-

297.6 GFLOPS

FP32 (float)

598.4 GFLOPS

24.80 GFLOPS

FP64 (double)

74.80 GFLOPS

Graphics Processor

GF117

GPU Name

GF100

N15V-GM

GPU Variant

N11E-GTX-A3

Fermi 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.585 billion

Transistors

3.1 billion

116 mm²

Die Size

529 mm²

Board Design

15W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.0

5.1

Shader Model

5.1

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