ATI Radeon E4690 MXM vs NVIDIA GeForce GT 820M

VS

ATI Radeon E4690 MXM

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 512MB VRAM Radeon E4690 MXM and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon E4690 MXM 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 14.40GB/s)

224 additional rendering cores

NVIDIA GeForce GT 820M 's Advantages

Released 4 years and 5 months late

More VRAM (1024GB vs 512GB)

Lower TDP (15W vs 30W)

Score

Benchmark

FP32 (float)

Radeon E4690 MXM +28%

0.384 TFLOPS

GeForce GT 820M

0.298 TFLOPS

Radeon E4690 MXM

VS

GeForce GT 820M

Graphics Card

Jun 2009

Release Date

Nov 2013

Embedded

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

22.40GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

96

32

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

3.100 GPixel/s

19.20 GTexel/s

Texture Rate

12.40 GTexel/s

-

384.0 GFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Board Design

30W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

RV730

GPU Name

GF117

RV730 XT E4690 (215-0729055)

GPU Variant

N15V-GM

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

0.585 billion

146 mm²

Die Size

116 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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