NVIDIA GeForce GTX 850A vs ATI Mobility Radeon HD 4850

VS

NVIDIA GeForce GTX 850A

ATI Mobility Radeon HD 4850

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 5 years and 2 months late

Boost Clock936MHz

More VRAM (2GB vs 1024GB)

ATI Mobility Radeon HD 4850 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 28.80GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 850A +49%

1.198 TFLOPS

Mobility Radeon HD 4850

0.804 TFLOPS

GeForce GTX 850A

VS

Mobility Radeon HD 4850

Graphics Card

Mar 2014

Release Date

Jan 2009

GeForce 800A

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

10

-

640

Shading Units

800

40

TMUs

40

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

8.048 GPixel/s

37.44 GTexel/s

Texture Rate

20.12 GTexel/s

-

1198 GFLOPS

FP32 (float)

804.8 GFLOPS

37.44 GFLOPS

FP64 (double)

161.0 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM107

GPU Name

M98

N15P-GT-A1

GPU Variant

M98 L2 (216-0732019)

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.87 billion

Transistors

0.956 billion

148 mm²

Die Size

256 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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