AMD Radeon R7 M265 vs NVIDIA GeForce 840M

VS

AMD Radeon R7 M265

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M265 and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M265 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

NVIDIA GeForce 840M 's Advantages

Boost Clock has increased by 36% (1124MHz vs 825MHz)

Score

Benchmark

FP32 (float)

Radeon R7 M265

0.633 TFLOPS

GeForce 840M +36%

0.863 TFLOPS

Radeon R7 M265

VS

GeForce 840M

Graphics Card

Jan 2014

Release Date

Mar 2014

Gem System

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

725 MHz

Base Clock

1029 MHz

825 MHz

Boost Clock

1124 MHz

900 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.02GB/s

Render Config

6

Compute Units

-

384

Shading Units

384

24

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

8.992 GPixel/s

19.80 GTexel/s

Texture Rate

17.98 GTexel/s

-

633.6 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Opal

GPU Name

GM108

Opal XT

GPU Variant

N15S-GT

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

Unknown

77 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5 (5.1)

Shader Model

5.1

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