AMD Radeon R5 M255 vs NVIDIA GeForce 9800M GTX

VS

AMD Radeon R5 M255

NVIDIA GeForce 9800M GTX

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 1024MB VRAM GeForce 9800M GTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 6 years and 3 months late

Boost Clock940MHz

More VRAM (2GB vs 1024GB)

272 additional rendering cores

NVIDIA GeForce 9800M GTX 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 32.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 M255 +157%

0.721 TFLOPS

GeForce 9800M GTX

0.28 TFLOPS

Radeon R5 M255

VS

GeForce 9800M GTX

Graphics Card

Oct 2014

Release Date

Jul 2008

Gem System

Generation

GeForce 9M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

51.20GB/s

Render Config

6

Compute Units

-

SM Count

14

384

Shading Units

112

24

TMUs

56

8

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

8.000 GPixel/s

22.56 GTexel/s

Texture Rate

28.00 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

280.0 GFLOPS

45.12 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

G92

Topaz PRO (216-0858030)

GPU Variant

NB9E-GTX

GCN 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.55 billion

Transistors

0.754 billion

125 mm²

Die Size

324 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.1

6.5

Shader Model

4.0

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