NVIDIA TITAN X Pascal vs AMD Radeon HD 7970 GHz Edition

VS

NVIDIA TITAN X Pascal

AMD Radeon HD 7970 GHz Edition

We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 3GB VRAM Radeon HD 7970 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA TITAN X Pascal 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 46% (1531MHz vs 1050MHz)

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (480.4GB/s vs 288.0GB/s)

1536 additional rendering cores

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

TITAN X Pascal +155%

10.97 TFLOPS

Radeon HD 7970 GHz Edition

4.301 TFLOPS

TITAN X Pascal

VS

Radeon HD 7970 GHz Edition

Graphics Card

Aug 2016

Release Date

Jun 2012

GeForce 10

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1417 MHz

Base Clock

1000 MHz

1531 MHz

Boost Clock

1050 MHz

1251 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

3GB

GDDR5X

Memory Type

GDDR5

384bit

Memory Bus

384bit

480.4GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

28

SM Count

-

3584

Shading Units

2048

224

TMUs

128

96

ROPs

32

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

768 KB

-

Theoretical Performance

147.0 GPixel/s

Pixel Rate

33.60 GPixel/s

342.9 GTexel/s

Texture Rate

134.4 GTexel/s

171.5 GFLOPS

FP16 (half)

-

10.97 TFLOPS

FP32 (float)

4.301 TFLOPS

342.9 GFLOPS

FP64 (double)

1075 GFLOPS

Board Design

250W

TDP

300W

600 W

Suggested PSU

700 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

1x 6-pin + 1x 8-pin

Graphics Processor

GP102

GPU Name

Tahiti

GP102-400-A1

GPU Variant

Tahiti XT2 (215-0821065)

Pascal

Architecture

GCN 1.0

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

11.8 billion

Transistors

4.313 billion

471 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

6.1

CUDA

-

6.4

Shader Model

5.1

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