AMD Radeon R9 M290X vs NVIDIA GeForce 805A

VS

AMD Radeon R9 M290X

NVIDIA GeForce 805A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X 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 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

NVIDIA GeForce 805A 's Advantages

Released 6 months late

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X +691%

2.304 TFLOPS

GeForce 805A

0.291 TFLOPS

Radeon R9 M290X

VS

GeForce 805A

Graphics Card

Jan 2014

Release Date

Jul 2014

Crystal System

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

850 MHz

Base Clock

719 MHz

900 MHz

Boost Clock

758 MHz

1200 MHz

Memory Clock

1001 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

16.02GB/s

Render Config

20

Compute Units

-

1280

Shading Units

192

80

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

6.064 GPixel/s

72.00 GTexel/s

Texture Rate

12.13 GTexel/s

-

2.304 TFLOPS

FP32 (float)

291.1 GFLOPS

144.0 GFLOPS

FP64 (double)

12.13 GFLOPS

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Neptune

GPU Name

GK208

Neptune XT (216-0847000)

GPU Variant

-

GCN 1.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.02 billion

212 mm²

Die Size

87 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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