AMD Radeon R9 M265X vs NVIDIA GeForce 800M

VS

AMD Radeon R9 M265X

NVIDIA GeForce 800M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M265X and 1024MB VRAM GeForce 800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M265X 's Advantages

Boost Clock625MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

592 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M265X +463%

0.8 TFLOPS

GeForce 800M

0.142 TFLOPS

Radeon R9 M265X

VS

GeForce 800M

Graphics Card

Mar 2014

Release Date

Mar 2014

Gem System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

575 MHz

Base Clock

-

625 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

14.40GB/s

Render Config

10

Compute Units

-

SM Count

1

640

Shading Units

48

40

TMUs

8

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

1.476 GPixel/s

25.00 GTexel/s

Texture Rate

5.904 GTexel/s

-

800.0 GFLOPS

FP32 (float)

141.7 GFLOPS

50.00 GFLOPS

FP64 (double)

11.81 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

GF117

Venus PRO (216-0846009)

GPU Variant

N14M-GL

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

0.585 billion

123 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5 (5.1)

Shader Model

5.1

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