NVIDIA GeForce GTX 850M vs ATI Radeon E4690 MXM

VS

NVIDIA GeForce GTX 850M

ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 512MB VRAM Radeon E4690 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850M 's Advantages

Released 4 years and 9 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (32.03GB/s vs 22.40GB/s)

320 additional rendering cores

ATI Radeon E4690 MXM 's Advantages

Lower TDP (30W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850M +200%

1.155 TFLOPS

Radeon E4690 MXM

0.384 TFLOPS

GeForce GTX 850M

VS

Radeon E4690 MXM

Graphics Card

Mar 2014

Release Date

Jun 2009

GeForce 800M

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

-

1001 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

32.03GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

-

640

Shading Units

320

40

TMUs

32

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

14.43 GPixel/s

Pixel Rate

4.800 GPixel/s

36.08 GTexel/s

Texture Rate

19.20 GTexel/s

-

1155 GFLOPS

FP32 (float)

384.0 GFLOPS

36.08 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

RV730

N15P-GT-A1

GPU Variant

RV730 XT E4690 (215-0729055)

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.87 billion

Transistors

0.514 billion

148 mm²

Die Size

146 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.1

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