NVIDIA GeForce GTX 980 Ti vs AMD Radeon HD 6490

VS

NVIDIA GeForce GTX 980 Ti AMD Radeon HD 6490

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 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 980 Ti 's Advantages

Released 3 years and 11 months late

Boost Clock1076MHz

More VRAM (6GB vs 1GB)

Larger VRAM bandwidth (336.6GB/s vs 16.00GB/s)

2496 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Ti +1621%

6.06 TFLOPS

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 980 Ti

VS

Radeon HD 6490

Graphics Card

Jun 2015

Release Date

Jul 2011

GeForce 900

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1076 MHz

Boost Clock

-

1753 MHz

Memory Clock

500 MHz

Memory

6GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

128bit

336.6GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

Compute Units

4

2816

Shading Units

320

176

TMUs

16

96

ROPs

8

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

256 KB

Theoretical Performance

103.3 GPixel/s

Pixel Rate

4.400 GPixel/s

189.4 GTexel/s

Texture Rate

8.800 GTexel/s

-

FP16 (half)

-

6.060 TFLOPS

FP32 (float)

352.0 GFLOPS

189.4 GFLOPS

FP64 (double)

-

Graphics Processor

GM200

GPU Name

Redwood

GM200-310-A1

GPU Variant

Redwood LE

Maxwell 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8 billion

Transistors

0.627 billion

601 mm²

Die Size

104 mm²

Board Design

250W

TDP

39W

600 W

Suggested PSU

200 W

1x DVI 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 Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

5.0

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