NVIDIA GeForce 820M vs ATI Radeon E2400

VS

NVIDIA GeForce 820M

ATI Radeon E2400

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 128MB VRAM Radeon E2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Released 7 years and 9 months late

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (28.83GB/s vs 11.20GB/s)

344 additional rendering cores

ATI Radeon E2400 's Advantages

Lower TDP (25W vs 45W)

Score

Benchmark

FP32 (float)

GeForce 820M +1195%

0.622 TFLOPS

Radeon E2400

0.048 TFLOPS

GeForce 820M

VS

Radeon E2400

Graphics Card

Mar 2015

Release Date

Jun 2007

GeForce 800M

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

-

901 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

128MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

28.83GB/s

Bandwidth

11.20GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

40

32

TMUs

4

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

2.400 GPixel/s

25.92 GTexel/s

Texture Rate

2.400 GTexel/s

-

622.1 GFLOPS

FP32 (float)

48.00 GFLOPS

25.92 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

RV610

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.27 billion

Transistors

0.18 billion

118 mm²

Die Size

85 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.0

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