NVIDIA GeForce GTX 870M vs AMD Radeon HD 6450A

VS

NVIDIA GeForce GTX 870M

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 512MB VRAM Radeon HD 6450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Released 2 years and 11 months late

Boost Clock967MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (120.0GB/s vs 8.528GB/s)

1184 additional rendering cores

AMD Radeon HD 6450A 's Advantages

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 870M +1199%

2.599 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

GeForce GTX 870M

VS

Radeon HD 6450A

Graphics Card

Mar 2014

Release Date

Apr 2011

GeForce 800M

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

941 MHz

Base Clock

-

967 MHz

Boost Clock

-

1250 MHz

Memory Clock

533 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

120.0GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

-

1344

Shading Units

160

112

TMUs

8

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

27.08 GPixel/s

Pixel Rate

2.500 GPixel/s

108.3 GTexel/s

Texture Rate

5.000 GTexel/s

-

2.599 TFLOPS

FP32 (float)

200.0 GFLOPS

108.3 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

25W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

Caicos

N15E-GT-A2

GPU Variant

-

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.37 billion

294 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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