NVIDIA GeForce GTX 860M vs AMD Radeon HD 7490M

VS

NVIDIA GeForce GTX 860M

AMD Radeon HD 7490M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M 's Advantages

Released 2 years late

Boost Clock1085MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (80.19GB/s vs 30.40GB/s)

480 additional rendering cores

AMD Radeon HD 7490M 's Advantages

Lower TDP (9W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 860M +442%

1.389 TFLOPS

Radeon HD 7490M

0.256 TFLOPS

GeForce GTX 860M

VS

Radeon HD 7490M

Graphics Card

Jan 2014

Release Date

Jan 2012

GeForce 800M

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1020 MHz

Base Clock

-

1085 MHz

Boost Clock

-

1253 MHz

Memory Clock

950 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

80.19GB/s

Bandwidth

30.40GB/s

Render Config

-

Compute Units

2

-

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

17.36 GPixel/s

Pixel Rate

3.200 GPixel/s

43.40 GTexel/s

Texture Rate

6.400 GTexel/s

-

1389 GFLOPS

FP32 (float)

256.0 GFLOPS

43.40 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

9W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM107

GPU Name

Seymour

N15P-GX-A1

GPU Variant

Seymour XTX (216-0810005)

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.37 billion

148 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

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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