AMD Radeon R5 M255 vs NVIDIA GeForce 830M

VS

AMD Radeon R5 M255

NVIDIA GeForce 830M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 2GB VRAM GeForce 830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 7 months late

Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)

128 additional rendering cores

NVIDIA GeForce 830M 's Advantages

Boost Clock has increased by 22% (1150MHz vs 940MHz)

Score

Benchmark

FP32 (float)

Radeon R5 M255 +22%

0.721 TFLOPS

GeForce 830M

0.589 TFLOPS

Radeon R5 M255

VS

GeForce 830M

Graphics Card

Oct 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

925 MHz

Base Clock

1082 MHz

940 MHz

Boost Clock

1150 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

384

Shading Units

256

24

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

9.200 GPixel/s

22.56 GTexel/s

Texture Rate

18.40 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

588.8 GFLOPS

45.12 GFLOPS

FP64 (double)

18.40 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

GM108

Topaz PRO (216-0858030)

GPU Variant

-

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

Unknown

125 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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