AMD Radeon R9 M280X vs NVIDIA GeForce 845M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M280X and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (88.00GB/s vs 40.10GB/s)

512 additional rendering cores

NVIDIA GeForce 845M 's Advantages

Released 6 months late

Boost Clock has increased by 18% (1176MHz vs 1000MHz)

Score

Benchmark

FP32 (float)

Radeon R9 M280X +98%

1.792 TFLOPS

GeForce 845M

0.903 TFLOPS

Radeon R9 M280X

VS

GeForce 845M

Graphics Card

Feb 2015

Release Date

Aug 2015

Gem System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

1071 MHz

1000 MHz

Boost Clock

1176 MHz

1375 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

88.00GB/s

Bandwidth

40.10GB/s

Render Config

-

SM Count

-

14

Compute Units

-

896

Shading Units

384

56

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

18.82 GPixel/s

56.00 GTexel/s

Texture Rate

37.63 GTexel/s

-

FP16 (half)

-

1.792 TFLOPS

FP32 (float)

903.2 GFLOPS

112.0 GFLOPS

FP64 (double)

28.22 GFLOPS

Graphics Processor

Saturn

GPU Name

GM108

Saturn XT (216-0843024)

GPU Variant

-

GCN 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

Unknown

160 mm²

Die Size

Unknown

Board Design

Unknown

TDP

33W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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