AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 750 Ti

VS

AMD Radeon R9 390 X2

NVIDIA GeForce GTX 750 Ti

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 2GB VRAM GeForce GTX 750 Ti 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 7 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 86.40GB/s)

1920 additional rendering cores

NVIDIA GeForce GTX 750 Ti 's Advantages

Boost Clock1085MHz

Lower TDP (60W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +268%

5.12 TFLOPS

GeForce GTX 750 Ti

1.389 TFLOPS

Radeon R9 390 X2

VS

GeForce GTX 750 Ti

Graphics Card

Sep 2015

Release Date

Feb 2014

Pirate Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

1350 MHz

Memory Clock

1350 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

86.40GB/s

Render Config

40

Compute Units

-

2560

Shading Units

640

160

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

17.36 GPixel/s

160.0 GTexel/s

Texture Rate

43.40 GTexel/s

-

5.120 TFLOPS

FP32 (float)

1389 GFLOPS

640.0 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

580W

TDP

60W

950 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 2.0

4x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

GM107

Grenada PRO (215-0880030)

GPU Variant

GM107-400-A2

GCN 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

1.87 billion

438 mm²

Die Size

148 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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