AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 1080 Ti 10 GB

VS

AMD Radeon HD 7870 XT

NVIDIA GeForce GTX 1080 Ti 10 GB

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 10GB VRAM GeForce GTX 1080 Ti 10 GB 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 10 GB 's Advantages

Boost Clock has increased by 73% (1683MHz vs 975MHz)

More VRAM (10GB vs 2GB)

Larger VRAM bandwidth (440.3GB/s vs 192.0GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

GeForce GTX 1080 Ti 10 GB +259%

10.77 TFLOPS

Radeon HD 7870 XT

VS

GeForce GTX 1080 Ti 10 GB

Graphics Card

Nov 2012

Release Date

Unknown

Southern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

1582 MHz

975 MHz

Boost Clock

1683 MHz

1500 MHz

Memory Clock

1376 MHz

Memory

2GB

Memory Size

10GB

GDDR5

Memory Type

GDDR5X

256bit

Memory Bus

320bit

192.0GB/s

Bandwidth

440.3GB/s

Render Config

24

Compute Units

-

SM Count

25

1536

Shading Units

3200

96

TMUs

200

32

ROPs

80

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

0 MB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

134.6 GPixel/s

93.60 GTexel/s

Texture Rate

336.6 GTexel/s

-

FP16 (half)

168.3 GFLOPS

2.995 TFLOPS

FP32 (float)

10.77 TFLOPS

748.8 GFLOPS

FP64 (double)

336.6 GFLOPS

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 2.03x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GP102

Tahiti LE (215-0821122)

GPU Variant

GP102-300-KA-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

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

6.8

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