NVIDIA GeForce GTX 980 Mobile vs ATI Mobility Radeon HD 4870 X2

VS

NVIDIA GeForce GTX 980 Mobile

ATI Mobility Radeon HD 4870 X2

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980 Mobile and 1024MB VRAM Mobility Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 Mobile 's Advantages

Released 6 years and 8 months late

Boost Clock1140MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.4GB/s vs 89.60GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980 Mobile +430%

4.669 TFLOPS

Mobility Radeon HD 4870 X2

0.88 TFLOPS

GeForce GTX 980 Mobile

VS

Mobility Radeon HD 4870 X2

Graphics Card

Sep 2015

Release Date

Jan 2009

GeForce 900M

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1064 MHz

Base Clock

-

1140 MHz

Boost Clock

-

1753 MHz

Memory Clock

700 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.4GB/s

Bandwidth

89.60GB/s

Render Config

-

Compute Units

10

-

2048

Shading Units

800

128

TMUs

40

64

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

72.96 GPixel/s

Pixel Rate

8.800 GPixel/s

145.9 GTexel/s

Texture Rate

22.00 GTexel/s

-

4.669 TFLOPS

FP32 (float)

880.0 GFLOPS

145.9 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GM204

GPU Name

M98

N16E-GXX-A1

GPU Variant

M98 XT L2 (216-0732023)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5.2 billion

Transistors

0.956 billion

398 mm²

Die Size

256 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

-

6.7 (6.4)

Shader Model

4.1

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