AMD Radeon R9 M280X vs NVIDIA GeForce 805A

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M280X and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Released 7 months late

Boost Clock has increased by 32% (1000MHz vs 758MHz)

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (88.00GB/s vs 16.02GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M280X +515%

1.792 TFLOPS

GeForce 805A

0.291 TFLOPS

Radeon R9 M280X

VS

GeForce 805A

Graphics Card

Feb 2015

Release Date

Jul 2014

Gem System

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

719 MHz

1000 MHz

Boost Clock

758 MHz

1375 MHz

Memory Clock

1001 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

88.00GB/s

Bandwidth

16.02GB/s

Render Config

-

SM Count

-

14

Compute Units

-

896

Shading Units

192

56

TMUs

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

6.064 GPixel/s

56.00 GTexel/s

Texture Rate

12.13 GTexel/s

-

FP16 (half)

-

1.792 TFLOPS

FP32 (float)

291.1 GFLOPS

112.0 GFLOPS

FP64 (double)

12.13 GFLOPS

Graphics Processor

Saturn

GPU Name

GK208

Saturn XT (216-0843024)

GPU Variant

-

GCN 2.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.02 billion

160 mm²

Die Size

87 mm²

Board Design

Unknown

TDP

15W

-

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

1.1

-

CUDA

3.5

6.5

Shader Model

5.1

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