NVIDIA GeForce 805A vs AMD Radeon R9 M290X

VS

NVIDIA GeForce 805A

AMD Radeon R9 M290X

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 4GB VRAM Radeon R9 M290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages

Released 6 months late

Lower TDP (15W vs 100W)

AMD Radeon R9 M290X 's Advantages

Boost Clock has increased by 19% (900MHz vs 758MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 16.02GB/s)

1088 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

Radeon R9 M290X +691%

2.304 TFLOPS

GeForce 805A

VS

Radeon R9 M290X

Graphics Card

Jul 2014

Release Date

Jan 2014

GeForce 800A

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

719 MHz

Base Clock

850 MHz

758 MHz

Boost Clock

900 MHz

1001 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

192

Shading Units

1280

16

TMUs

80

8

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

28.80 GPixel/s

12.13 GTexel/s

Texture Rate

72.00 GTexel/s

-

291.1 GFLOPS

FP32 (float)

2.304 TFLOPS

12.13 GFLOPS

FP64 (double)

144.0 GFLOPS

Board Design

15W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK208

GPU Name

Neptune

-

GPU Variant

Neptune XT (216-0847000)

Kepler 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

2.8 billion

87 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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