NVIDIA GeForce GTX 1080 Ti 10 GB vs AMD Radeon HD 6990

VS

NVIDIA GeForce GTX 1080 Ti 10 GB

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 10GB VRAM GeForce GTX 1080 Ti 10 GB 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 10 GB 's Advantages

Boost Clock1683MHz

More VRAM (10GB vs 2GB)

Larger VRAM bandwidth (440.3GB/s vs 160.0GB/s)

1664 additional rendering cores

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Ti 10 GB +322%

10.77 TFLOPS

Radeon HD 6990

2.55 TFLOPS

GeForce GTX 1080 Ti 10 GB

VS

Radeon HD 6990

Graphics Card

Unknown

Release Date

Mar 2011

GeForce 10

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1582 MHz

Base Clock

-

1683 MHz

Boost Clock

-

1376 MHz

Memory Clock

1250 MHz

Memory

10GB

Memory Size

2GB

GDDR5X

Memory Type

GDDR5

320bit

Memory Bus

256bit

440.3GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

25

SM Count

-

3200

Shading Units

1536

200

TMUs

96

80

ROPs

32

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

0 MB

L2 Cache

512 KB

-

Theoretical Performance

134.6 GPixel/s

Pixel Rate

26.56 GPixel/s

336.6 GTexel/s

Texture Rate

79.68 GTexel/s

168.3 GFLOPS

FP16 (half)

-

10.77 TFLOPS

FP32 (float)

2.550 TFLOPS

336.6 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

250W

TDP

375W

600 W

Suggested PSU

750 W

1x HDMI 2.03x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GP102

GPU Name

Antilles

GP102-300-KA-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

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

-

6.8

Shader Model

5.0

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