AMD Radeon R9 390 X2 vs NVIDIA GeForce GT 740 OEM

VS

AMD Radeon R9 390 X2

NVIDIA GeForce GT 740 OEM

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

Main Differences

AMD Radeon R9 390 X2 's Advantages

More VRAM (8GB vs 1024GB)

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

2176 additional rendering cores

NVIDIA GeForce GT 740 OEM 's Advantages

Lower TDP (65W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +562%

5.12 TFLOPS

GeForce GT 740 OEM

0.773 TFLOPS

Radeon R9 390 X2

VS

GeForce GT 740 OEM

Graphics Card

Sep 2015

Release Date

Apr 2015

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

8.048 GPixel/s

160.0 GTexel/s

Texture Rate

32.19 GTexel/s

-

5.120 TFLOPS

FP32 (float)

772.6 GFLOPS

640.0 GFLOPS

FP64 (double)

32.19 GFLOPS

Board Design

580W

TDP

65W

950 W

Suggested PSU

250 W

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

Outputs

No outputs

4x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

GK106

Grenada PRO (215-0880030)

GPU Variant

-

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

2.54 billion

438 mm²

Die Size

221 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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