AMD Radeon R7 M340 vs NVIDIA GeForce 945A

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Released 9 months late

NVIDIA GeForce 945A 's Advantages

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

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

Score

Benchmark

FP32 (float)

Radeon R7 M340

0.549 TFLOPS

GeForce 945A +66%

0.913 TFLOPS

Radeon R7 M340

VS

GeForce 945A

Graphics Card

Dec 2015

Release Date

Mar 2015

Gem System

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

620 MHz

Base Clock

1006 MHz

715 MHz

Boost Clock

1189 MHz

1000 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

40.10GB/s

Render Config

-

SM Count

-

6

Compute Units

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

Theoretical Performance

5.720 GPixel/s

Pixel Rate

9.512 GPixel/s

17.16 GTexel/s

Texture Rate

28.54 GTexel/s

-

FP16 (half)

-

549.1 GFLOPS

FP32 (float)

913.2 GFLOPS

34.32 GFLOPS

FP64 (double)

28.54 GFLOPS

Graphics Processor

Opal

GPU Name

GM108

Opal PRO

GPU Variant

-

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

Unknown

77 mm²

Die Size

Unknown

Board Design

Unknown

TDP

33W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5 (5.1)

Shader Model

5.1

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