AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX TITAN X

VS

AMD Radeon HD 7870 XT

NVIDIA GeForce GTX TITAN X

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 12GB VRAM GeForce GTX TITAN X 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 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

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

GeForce GTX TITAN X +123%

6.691 TFLOPS

Radeon HD 7870 XT

VS

GeForce GTX TITAN X

Graphics Card

Nov 2012

Release Date

Mar 2015

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

1000 MHz

975 MHz

Boost Clock

1089 MHz

1500 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

192.0GB/s

Bandwidth

336.6GB/s

Render Config

24

Compute Units

-

1536

Shading Units

3072

96

TMUs

192

32

ROPs

96

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

3 MB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

104.5 GPixel/s

93.60 GTexel/s

Texture Rate

209.1 GTexel/s

-

2.995 TFLOPS

FP32 (float)

6.691 TFLOPS

748.8 GFLOPS

FP64 (double)

209.1 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 DVI 1x HDMI 2.0 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GM200

Tahiti LE (215-0821122)

GPU Variant

GM200-400-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

8 billion

352 mm²

Die Size

601 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

5.2

5.1

Shader Model

6.4

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