NVIDIA GeForce GTX 1080 Ti vs AMD Radeon HD 6990

VS

NVIDIA GeForce GTX 1080 Ti AMD Radeon HD 6990

We compared two Desktop platform GPUs: 11GB VRAM GeForce GTX 1080 Ti and 2GB VRAM Radeon HD 6990 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 6 years late

Boost Clock1582MHz

More VRAM (11GB vs 2GB)

Larger VRAM bandwidth (484.4GB/s vs 160.0GB/s)

2048 additional rendering cores

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Ti +344%

11.34 TFLOPS

Radeon HD 6990

2.55 TFLOPS

GeForce GTX 1080 Ti

VS

Radeon HD 6990

Graphics Card

Mar 2017

Release Date

Mar 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

1250 MHz

Memory

11GB

Memory Size

2GB

GDDR5X

Memory Type

GDDR5

352bit

Memory Bus

256bit

484.4GB/s

Bandwidth

160.0GB/s

Render Config

28

SM Count

-

Compute Units

24

3584

Shading Units

1536

224

TMUs

96

88

ROPs

32

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

0 MB

L2 Cache

512 KB

Theoretical Performance

139.2 GPixel/s

Pixel Rate

26.56 GPixel/s

354.4 GTexel/s

Texture Rate

79.68 GTexel/s

177.2 GFLOPS

FP16 (half)

-

11.34 TFLOPS

FP32 (float)

2.550 TFLOPS

354.4 GFLOPS

FP64 (double)

637.4 GFLOPS

Graphics Processor

GP102

GPU Name

Antilles

GP102-350-K1-A1

GPU Variant

Antilles XT (215-0807027)

Pascal

Architecture

TeraScale 3

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

11.8 billion

Transistors

2.64 billion

471 mm²

Die Size

389 mm²

Board Design

250W

TDP

375W

600 W

Suggested PSU

750 W

1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-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

6.1

CUDA

-

6.4

Shader Model

5.0

Related GPU Comparisons

1

NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce RTX 3060

2

NVIDIA GeForce RTX 4060 vs NVIDIA GeForce GTX 1080 Ti

3

NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce GTX 1660 SUPER

4

NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce RTX 4060 Ti

5

NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce GTX 1660 Ti

6

NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce RTX 2060

7

NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce RTX 2060 SUPER

8

NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce 8600 GS

9

NVIDIA GeForce GTX 1080 Ti vs AMD Radeon HD 6990

10

NVIDIA GeForce GTX 1080 Ti vs AMD Radeon RX 7800 XT