ATI Radeon E4690 MXM vs NVIDIA GeForce 840A

VS

ATI Radeon E4690 MXM

NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 512MB VRAM Radeon E4690 MXM and 2GB VRAM GeForce 840A 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 16.02GB/s)

Lower TDP (30W vs 33W)

NVIDIA GeForce 840A 's Advantages

Released 4 years and 9 months late

Boost Clock1124MHz

More VRAM (2GB vs 512GB)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E4690 MXM

0.384 TFLOPS

GeForce 840A +124%

0.863 TFLOPS

Radeon E4690 MXM

VS

GeForce 840A

Graphics Card

Jun 2009

Release Date

Mar 2014

Embedded

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

700 MHz

Memory Clock

1001 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

22.40GB/s

Bandwidth

16.02GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

32

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

8.992 GPixel/s

19.20 GTexel/s

Texture Rate

17.98 GTexel/s

-

384.0 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

30W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

RV730

GPU Name

GM108

RV730 XT E4690 (215-0729055)

GPU Variant

-

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

Unknown

146 mm²

Die Size

Unknown

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.1

Shader Model

5.1

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