ATI Mobility Radeon X2500 vs NVIDIA GeForce GTX 850A

VS

ATI Mobility Radeon X2500

NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2500 and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 6 years and 9 months late

Boost Clock936MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

640 additional rendering cores

Score

Mobility Radeon X2500

VS

GeForce GTX 850A

Graphics Card

Jun 2007

Release Date

Mar 2014

M6x

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

902 MHz

-

Boost Clock

936 MHz

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

DDR3

128bit

Memory Bus

128bit

12.80GB/s

Bandwidth

28.80GB/s

Render Config

-

Shading Units

640

4

TMUs

40

4

ROPs

16

-

L1 Cache

64 KB (per SMM)

-

L2 Cache

2 MB

-

Theoretical Performance

1.840 GPixel/s

Pixel Rate

14.98 GPixel/s

1.840 GTexel/s

Texture Rate

37.44 GTexel/s

-

FP32 (float)

1198 GFLOPS

-

FP64 (double)

37.44 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M66

GPU Name

GM107

-

GPU Variant

N15P-GT-A1

Ultra-Threaded SE

Architecture

Maxwell

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.157 billion

Transistors

1.87 billion

150 mm²

Die Size

148 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

3.0

Shader Model

5.1

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