AMD Radeon HD 6490M vs NVIDIA GeForce GTX 860M

VS

AMD Radeon HD 6490M

NVIDIA GeForce GTX 860M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M 's Advantages

Released 3 years late

Boost Clock1085MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (80.19GB/s vs 25.60GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

GeForce GTX 860M +442%

1.389 TFLOPS

Radeon HD 6490M

VS

GeForce GTX 860M

Graphics Card

Jan 2011

Release Date

Jan 2014

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

800 MHz

Memory Clock

1253 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

80.19GB/s

Render Config

2

Compute Units

-

160

Shading Units

640

8

TMUs

40

4

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

17.36 GPixel/s

6.400 GTexel/s

Texture Rate

43.40 GTexel/s

-

256.0 GFLOPS

FP32 (float)

1389 GFLOPS

-

FP64 (double)

43.40 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

GM107

Seymour XTX S3 (216-0809024)

GPU Variant

N15P-GX-A1

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.87 billion

67 mm²

Die Size

148 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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