AMD Radeon HD 7970 vs NVIDIA GeForce GTX TITAN X

VS

AMD Radeon HD 7970

NVIDIA GeForce GTX TITAN X

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 12GB VRAM GeForce GTX TITAN X 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 3 years and 3 months late

Boost Clock1089MHz

More VRAM (12GB vs 3GB)

Larger VRAM bandwidth (336.6GB/s vs 264.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

GeForce GTX TITAN X +76%

6.691 TFLOPS

Radeon HD 7970

VS

GeForce GTX TITAN X

Graphics Card

Dec 2011

Release Date

Mar 2015

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1089 MHz

1375 MHz

Memory Clock

1753 MHz

Memory

3GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

336.6GB/s

Render Config

32

Compute Units

-

2048

Shading Units

3072

128

TMUs

192

32

ROPs

96

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

768 KB

L2 Cache

3 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

104.5 GPixel/s

118.4 GTexel/s

Texture Rate

209.1 GTexel/s

-

3.789 TFLOPS

FP32 (float)

6.691 TFLOPS

947.2 GFLOPS

FP64 (double)

209.1 GFLOPS

Board Design

250W

TDP

250W

600 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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GM200

Tahiti XT (215-0821060)

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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