NVIDIA GeForce GTX TITAN X vs AMD Radeon HD 7870 XT

VS

NVIDIA GeForce GTX TITAN X

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX TITAN X and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN X 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 12% (1089MHz vs 975MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 192.0GB/s)

1536 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN X +123%

6.691 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

GeForce GTX TITAN X

VS

Radeon HD 7870 XT

Graphics Card

Mar 2015

Release Date

Nov 2012

GeForce 900

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

925 MHz

1089 MHz

Boost Clock

975 MHz

1753 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

-

3072

Shading Units

1536

192

TMUs

96

ROPs

32

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

512 KB

-

Theoretical Performance

104.5 GPixel/s

Pixel Rate

31.20 GPixel/s

209.1 GTexel/s

Texture Rate

93.60 GTexel/s

-

6.691 TFLOPS

FP32 (float)

2.995 TFLOPS

209.1 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

250W

TDP

185W

600 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GM200

GPU Name

Tahiti

GM200-400-A1

GPU Variant

Tahiti LE (215-0821122)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8 billion

Transistors

4.313 billion

601 mm²

Die Size

352 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

5.1

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