ATI Mobility Radeon X2500 vs NVIDIA GeForce GT 820M

VS

ATI Mobility Radeon X2500

NVIDIA GeForce GT 820M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2500 and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 820M 's Advantages

Released 6 years and 5 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (14.40GB/s vs 12.80GB/s)

96 additional rendering cores

Score

Mobility Radeon X2500

VS

GeForce GT 820M

Graphics Card

Jun 2007

Release Date

Nov 2013

M6x

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

128bit

Memory Bus

64bit

12.80GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

-

Shading Units

96

4

TMUs

16

4

ROPs

8

-

L1 Cache

64 KB (per SM)

-

L2 Cache

128 KB

-

Theoretical Performance

1.840 GPixel/s

Pixel Rate

3.100 GPixel/s

1.840 GTexel/s

Texture Rate

12.40 GTexel/s

-

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M66

GPU Name

GF117

-

GPU Variant

N15V-GM

Ultra-Threaded SE

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.157 billion

Transistors

0.585 billion

150 mm²

Die Size

116 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

3.0

Shader Model

5.1

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