NVIDIA GeForce 945A vs AMD Radeon R7 M340

VS

NVIDIA GeForce 945A

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A 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 945A 's Advantages

Boost Clock has increased by 66% (1189MHz vs 715MHz)

Larger VRAM bandwidth (40.10GB/s vs 16.00GB/s)

AMD Radeon R7 M340 's Advantages

Released 9 months late

Score

Benchmark

FP32 (float)

GeForce 945A +66%

0.913 TFLOPS

Radeon R7 M340

0.549 TFLOPS

GeForce 945A

VS

Radeon R7 M340

Graphics Card

Mar 2015

Release Date

Dec 2015

GeForce 900A

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1006 MHz

Base Clock

620 MHz

1189 MHz

Boost Clock

715 MHz

1253 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

40.10GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

5.720 GPixel/s

28.54 GTexel/s

Texture Rate

17.16 GTexel/s

-

913.2 GFLOPS

FP32 (float)

549.1 GFLOPS

28.54 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Opal

-

GPU Variant

Opal PRO

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

0.95 billion

Unknown

Die Size

77 mm²

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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