NVIDIA GeForce GTX 765M vs AMD Radeon R5 A255

VS

NVIDIA GeForce GTX 765M AMD Radeon R5 A255

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 765M and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 765M 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (64.13GB/s vs 64.00GB/s)

384 additional rendering cores

AMD Radeon R5 A255 's Advantages

Released 8 months late

Boost Clock has increased by 9% (940MHz vs 863MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 765M +83%

1.326 TFLOPS

Radeon R5 A255

0.721 TFLOPS

GeForce GTX 765M

VS

Radeon R5 A255

Graphics Card

May 2013

Release Date

Jan 2014

GeForce 700M

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

797 MHz

Base Clock

925 MHz

863 MHz

Boost Clock

940 MHz

1002 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.13GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

Compute Units

6

768

Shading Units

384

64

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

13.81 GPixel/s

Pixel Rate

7.520 GPixel/s

55.23 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

-

1326 GFLOPS

FP32 (float)

721.9 GFLOPS

55.23 GFLOPS

FP64 (double)

-

Graphics Processor

GK106

GPU Name

Topaz

N14E-GE-B-A1

GPU Variant

Topaz PRO (216-0858030)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

1.55 billion

221 mm²

Die Size

125 mm²

Board Design

75W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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