NVIDIA GeForce GTX 850A vs ATI Mobility Radeon HD 3670

VS

NVIDIA GeForce GTX 850A

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 6 years and 2 months late

Boost Clock936MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

520 additional rendering cores

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +634%

1.198 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

GeForce GTX 850A

VS

Mobility Radeon HD 3670

Graphics Card

Mar 2014

Release Date

Jan 2008

GeForce 800A

Generation

M8x

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

800 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

3

-

640

Shading Units

120

40

TMUs

8

16

ROPs

4

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

128 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

2.720 GPixel/s

37.44 GTexel/s

Texture Rate

5.440 GTexel/s

-

1198 GFLOPS

FP32 (float)

163.2 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

M86

N15P-GT-A1

GPU Variant

-

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.87 billion

Transistors

0.378 billion

148 mm²

Die Size

135 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.1

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