AMD Radeon R9 M295X vs NVIDIA GeForce 825M

VS

AMD Radeon R9 M295X

NVIDIA GeForce 825M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X and 1024MB VRAM GeForce 825M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M295X 's Advantages

Released 10 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1664 additional rendering cores

NVIDIA GeForce 825M 's Advantages

Boost Clock941MHz

Lower TDP (33W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X +309%

2.961 TFLOPS

GeForce 825M

0.723 TFLOPS

Radeon R9 M295X

VS

GeForce 825M

Graphics Card

Nov 2014

Release Date

Jan 2014

Crystal System

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

941 MHz

1250 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

14.40GB/s

Render Config

32

Compute Units

-

2048

Shading Units

384

128

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

7.528 GPixel/s

92.54 GTexel/s

Texture Rate

30.11 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

722.7 GFLOPS

185.1 GFLOPS

FP64 (double)

30.11 GFLOPS

Board Design

250W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

GK208

Amethyst XT

GPU Variant

-

GCN 3.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.02 billion

366 mm²

Die Size

87 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.3

Shader Model

5.1

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