AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 1080 Ti

VS

AMD Radeon HD 7870 XT NVIDIA GeForce GTX 1080 Ti

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 11GB VRAM GeForce GTX 1080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 250W)

NVIDIA GeForce GTX 1080 Ti 's Advantages

Released 4 years and 4 months late

Boost Clock has increased by 62% (1582MHz vs 975MHz)

More VRAM (11GB vs 2GB)

Larger VRAM bandwidth (484.4GB/s vs 192.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

GeForce GTX 1080 Ti +278%

11.34 TFLOPS

Radeon HD 7870 XT

VS

GeForce GTX 1080 Ti

Graphics Card

Nov 2012

Release Date

Mar 2017

Southern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

1481 MHz

975 MHz

Boost Clock

1582 MHz

1500 MHz

Memory Clock

1376 MHz

Memory

2GB

Memory Size

11GB

GDDR5

Memory Type

GDDR5X

256bit

Memory Bus

352bit

192.0GB/s

Bandwidth

484.4GB/s

Render Config

-

SM Count

28

24

Compute Units

-

1536

Shading Units

3584

96

TMUs

224

32

ROPs

88

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

0 MB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

139.2 GPixel/s

93.60 GTexel/s

Texture Rate

354.4 GTexel/s

-

FP16 (half)

177.2 GFLOPS

2.995 TFLOPS

FP32 (float)

11.34 TFLOPS

748.8 GFLOPS

FP64 (double)

354.4 GFLOPS

Graphics Processor

Tahiti

GPU Name

GP102

Tahiti LE (215-0821122)

GPU Variant

GP102-350-K1-A1

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

4.313 billion

Transistors

11.8 billion

352 mm²

Die Size

471 mm²

Board Design

185W

TDP

250W

450 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

5.1

Shader Model

6.4

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