NVIDIA GeForce GTX 870M vs ATI Mobility Radeon HD 4850 X2

VS

NVIDIA GeForce GTX 870M

ATI Mobility Radeon HD 4850 X2

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 1024MB VRAM Mobility Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Released 5 years and 2 months late

Boost Clock967MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (120.0GB/s vs 89.60GB/s)

544 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 870M +224%

2.599 TFLOPS

Mobility Radeon HD 4850 X2

0.8 TFLOPS

GeForce GTX 870M

VS

Mobility Radeon HD 4850 X2

Graphics Card

Mar 2014

Release Date

Jan 2009

GeForce 800M

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

941 MHz

Base Clock

-

967 MHz

Boost Clock

-

1250 MHz

Memory Clock

700 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

120.0GB/s

Bandwidth

89.60GB/s

Render Config

-

Compute Units

10

-

1344

Shading Units

800

112

TMUs

40

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

27.08 GPixel/s

Pixel Rate

8.000 GPixel/s

108.3 GTexel/s

Texture Rate

20.00 GTexel/s

-

2.599 TFLOPS

FP32 (float)

800.0 GFLOPS

108.3 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

M98

N15E-GT-A2

GPU Variant

M98 L2 (216-0732019)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.956 billion

294 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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