NVIDIA GeForce GTX 850M vs ATI Mobility Radeon HD 4650

VS

NVIDIA GeForce GTX 850M

ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850M 's Advantages

Released 5 years and 2 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (32.03GB/s vs 19.20GB/s)

320 additional rendering cores

ATI Mobility Radeon HD 4650 's Advantages

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850M +260%

1.155 TFLOPS

Mobility Radeon HD 4650

0.32 TFLOPS

GeForce GTX 850M

VS

Mobility Radeon HD 4650

Graphics Card

Mar 2014

Release Date

Jan 2009

GeForce 800M

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1001 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

DDR2

128bit

Memory Bus

128bit

32.03GB/s

Bandwidth

19.20GB/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

4.000 GPixel/s

36.08 GTexel/s

Texture Rate

16.00 GTexel/s

-

1155 GFLOPS

FP32 (float)

320.0 GFLOPS

36.08 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

M96

N15P-GT-A1

GPU Variant

-

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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