NVIDIA GeForce GTX 850A vs AMD Radeon R7 M340

VS

NVIDIA GeForce GTX 850A AMD Radeon R7 M340

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM Radeon R7 M340 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Boost Clock has increased by 31% (936MHz vs 715MHz)

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.80GB/s vs 16.00GB/s)

256 additional rendering cores

AMD Radeon R7 M340 's Advantages

Released 1 years and 9 months late

Score

Benchmark

FP32 (float)

GeForce GTX 850A +118%

1.198 TFLOPS

Radeon R7 M340

0.549 TFLOPS

GeForce GTX 850A

VS

Radeon R7 M340

Graphics Card

Mar 2014

Release Date

Dec 2015

GeForce 800A

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

902 MHz

Base Clock

620 MHz

936 MHz

Boost Clock

715 MHz

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

Compute Units

6

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

14.98 GPixel/s

Pixel Rate

5.720 GPixel/s

37.44 GTexel/s

Texture Rate

17.16 GTexel/s

-

FP16 (half)

-

1198 GFLOPS

FP32 (float)

549.1 GFLOPS

37.44 GFLOPS

FP64 (double)

34.32 GFLOPS

Graphics Processor

GM107

GPU Name

Opal

N15P-GT-A1

GPU Variant

Opal PRO

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

0.95 billion

148 mm²

Die Size

77 mm²

Board Design

45W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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