AMD Radeon R9 390 X2 vs NVIDIA GeForce GT 740

VS

AMD Radeon R9 390 X2

NVIDIA GeForce GT 740

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 1024MB VRAM GeForce GT 740 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 1 years and 4 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (345.6GB/s vs 80.19GB/s)

2176 additional rendering cores

NVIDIA GeForce GT 740 's Advantages

Lower TDP (64W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +571%

5.12 TFLOPS

GeForce GT 740

0.763 TFLOPS

Radeon R9 390 X2

VS

GeForce GT 740

Graphics Card

Sep 2015

Release Date

May 2014

Pirate Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

80.19GB/s

Render Config

40

Compute Units

-

2560

Shading Units

384

160

TMUs

32

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

7.944 GPixel/s

160.0 GTexel/s

Texture Rate

31.78 GTexel/s

-

5.120 TFLOPS

FP32 (float)

762.6 GFLOPS

640.0 GFLOPS

FP64 (double)

31.78 GFLOPS

Board Design

580W

TDP

64W

950 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

4x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Grenada

GPU Name

GK107

Grenada PRO (215-0880030)

GPU Variant

GK107-425-A2

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

1.27 billion

438 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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