NVIDIA GeForce GTX 980 Ti vs AMD Radeon HD 6790

VS

NVIDIA GeForce GTX 980 Ti AMD Radeon HD 6790

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti and 1024MB VRAM Radeon HD 6790 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 4 years and 2 months late

Boost Clock1076MHz

More VRAM (6GB vs 1GB)

Larger VRAM bandwidth (336.6GB/s vs 134.4GB/s)

2016 additional rendering cores

AMD Radeon HD 6790 's Advantages

Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Ti +350%

6.06 TFLOPS

Radeon HD 6790

1.344 TFLOPS

GeForce GTX 980 Ti

VS

Radeon HD 6790

Graphics Card

Jun 2015

Release Date

Apr 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

1050 MHz

Memory

6GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

Compute Units

10

2816

Shading Units

800

176

TMUs

40

96

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

512 KB

Theoretical Performance

103.3 GPixel/s

Pixel Rate

13.44 GPixel/s

189.4 GTexel/s

Texture Rate

33.60 GTexel/s

-

FP16 (half)

-

6.060 TFLOPS

FP32 (float)

1344 GFLOPS

189.4 GFLOPS

FP64 (double)

-

Graphics Processor

GM200

GPU Name

Barts

GM200-310-A1

GPU Variant

Barts LE (215-0798002)

Maxwell 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8 billion

Transistors

1.7 billion

601 mm²

Die Size

255 mm²

Board Design

250W

TDP

150W

600 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

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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