AMD Radeon HD 6790 vs NVIDIA GeForce GTX 980 Ti

VS

AMD Radeon HD 6790

NVIDIA GeForce GTX 980 Ti

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 6GB VRAM GeForce GTX 980 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Lower TDP (150W vs 250W)

NVIDIA GeForce GTX 980 Ti 's Advantages

Released 4 years and 2 months late

Boost Clock1076MHz

More VRAM (6GB vs 1024GB)

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

2016 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

GeForce GTX 980 Ti +350%

6.06 TFLOPS

Radeon HD 6790

VS

GeForce GTX 980 Ti

Graphics Card

Apr 2011

Release Date

Jun 2015

Northern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1076 MHz

1050 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

134.4GB/s

Bandwidth

336.6GB/s

Render Config

10

Compute Units

-

800

Shading Units

2816

40

TMUs

176

16

ROPs

96

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

3 MB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

103.3 GPixel/s

33.60 GTexel/s

Texture Rate

189.4 GTexel/s

-

1344 GFLOPS

FP32 (float)

6.060 TFLOPS

-

FP64 (double)

189.4 GFLOPS

Board Design

150W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

GM200

Barts LE (215-0798002)

GPU Variant

GM200-310-A1

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

8 billion

255 mm²

Die Size

601 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

5.0

Shader Model

6.4

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