NVIDIA GeForce GTX 1080 Ti vs AMD Radeon HD 6490

VS

NVIDIA GeForce GTX 1080 Ti

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 11GB VRAM GeForce GTX 1080 Ti and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Ti 's Advantages

Released 5 years and 8 months late

Boost Clock1582MHz

More VRAM (11GB vs 1024GB)

Larger VRAM bandwidth (484.4GB/s vs 16.00GB/s)

3264 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Ti +3121%

11.34 TFLOPS

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 1080 Ti

VS

Radeon HD 6490

Graphics Card

Mar 2017

Release Date

Jul 2011

GeForce 10

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1481 MHz

Base Clock

-

1582 MHz

Boost Clock

-

1376 MHz

Memory Clock

500 MHz

Memory

11GB

Memory Size

1024MB

GDDR5X

Memory Type

DDR2

352bit

Memory Bus

128bit

484.4GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

28

SM Count

-

3584

Shading Units

320

224

TMUs

16

88

ROPs

8

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

0 MB

L2 Cache

256 KB

-

Theoretical Performance

139.2 GPixel/s

Pixel Rate

4.400 GPixel/s

354.4 GTexel/s

Texture Rate

8.800 GTexel/s

177.2 GFLOPS

FP16 (half)

-

11.34 TFLOPS

FP32 (float)

352.0 GFLOPS

354.4 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

39W

600 W

Suggested PSU

200 W

1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GP102

GPU Name

Redwood

GP102-350-K1-A1

GPU Variant

Redwood LE

Pascal

Architecture

TeraScale 2

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

11.8 billion

Transistors

0.627 billion

471 mm²

Die Size

104 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

6.1

CUDA

-

6.4

Shader Model

5.0

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