NVIDIA GeForce GTX 870M vs AMD Radeon HD 6490M

VS

NVIDIA GeForce GTX 870M AMD Radeon HD 6490M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M and 512MB VRAM Radeon HD 6490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 870M 's Advantages

Released 3 years and 2 months late

Boost Clock967MHz

Larger VRAM bandwidth (120.0GB/s vs 25.60GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 870M +915%

2.599 TFLOPS

Radeon HD 6490M

0.256 TFLOPS

GeForce GTX 870M

VS

Radeon HD 6490M

Graphics Card

Mar 2014

Release Date

Jan 2011

GeForce 800M

Generation

Vancouver

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

800 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

64bit

120.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

Compute Units

2

1344

Shading Units

160

112

TMUs

8

24

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

128 KB

Theoretical Performance

27.08 GPixel/s

Pixel Rate

3.200 GPixel/s

108.3 GTexel/s

Texture Rate

6.400 GTexel/s

-

FP16 (half)

-

2.599 TFLOPS

FP32 (float)

256.0 GFLOPS

108.3 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

Seymour

N15E-GT-A2

GPU Variant

Seymour XTX S3 (216-0809024)

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

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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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