NVIDIA GeForce GTX 850A vs ATI Mobility Radeon HD 4860

VS

NVIDIA GeForce GTX 850A

ATI Mobility Radeon HD 4860

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM Mobility Radeon HD 4860 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 late

Boost Clock936MHz

More VRAM (2GB vs 1024GB)

ATI Mobility Radeon HD 4860 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +43%

1.198 TFLOPS

Mobility Radeon HD 4860

0.832 TFLOPS

GeForce GTX 850A

VS

Mobility Radeon HD 4860

Graphics Card

Mar 2014

Release Date

Mar 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

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

8

-

640

Shading Units

640

40

TMUs

32

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

10.40 GPixel/s

37.44 GTexel/s

Texture Rate

20.80 GTexel/s

-

1198 GFLOPS

FP32 (float)

832.0 GFLOPS

37.44 GFLOPS

FP64 (double)

166.4 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GM107

GPU Name

M97

N15P-GT-A1

GPU Variant

M97 M2 XT (216-0731000)

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.826 billion

148 mm²

Die Size

137 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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