NVIDIA GeForce GTX 970 vs AMD Radeon R9 390 X2 Which One is Better

Graphics Card

Release Date

Sep 2014

Sep 2015

Generation

GeForce 900

Pirate Islands

Type

Desktop

Bus Interface

PCIe 3.0 x16

Clock Speeds

Base Clock

1050 MHz

-

Boost Clock

1178 MHz

-

Memory Clock

1753 MHz

1350 MHz

Memory

Memory Size

4GB

8GB

Memory Type

GDDR5

Memory Bus

256bit

512bit

Bandwidth

224.4GB/s

345.6GB/s

Render Config

Shading Units

1664

2560

TMUs

104

160

ROPs

56

64

L1 Cache

48 KB (per SMM)

16 KB (per CU)

L2 Cache

2 MB

1024 KB

Compute Units

-

40

Theoretical Performance

Pixel Rate

65.97 GPixel/s

64.00 GPixel/s

Texture Rate

122.5 GTexel/s

160.0 GTexel/s

FP32 (float)

3.920 TFLOPS

5.120 TFLOPS

FP64 (double)

122.5 GFLOPS

640.0 GFLOPS

Graphics Processor

GPU Name

GM204

Grenada

GPU Variant

GM204-200-A1

Grenada PRO(215-0880030)

Architecture

Maxwell 2.0

GCN 2.0

Foundry

TSMC

Process Size

28 nm

Transistors

5.2 billion

6.2 billion

Die Size

398 mm²

438 mm²

Board Design

TDP

148W

580W

Suggested PSU

300 W

950 W

Outputs

1x DVI1x HDMI 2.03x DisplayPort 1.4a

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

Power Connectors

2x 6-pin

4x 8-pin

Graphics Features

DirectX

12 (12_1)

12 (12_0)

OpenGL

4.6

OpenCL

3.0

2.0

Vulkan

1.3

1.2

CUDA

5.2

-

Shader Model

6.4

6.3

📊 Benchmark

3DMark Time Spy

3,646

-

3DMark Time Spy Extreme

1,683

-

OctaneBench

77

-

Shadow of the Tomb Raider 2160p

15

-

Shadow of the Tomb Raider 1440p

30

-

Shadow of the Tomb Raider 1080p

40

-

Blender

305

-