AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 750 Ti OEM

VS

AMD Radeon R9 390 X2

NVIDIA GeForce GTX 750 Ti OEM

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

Larger VRAM bandwidth (345.6GB/s vs 192.3GB/s)

1600 additional rendering cores

NVIDIA GeForce GTX 750 Ti OEM 's Advantages

Boost Clock1098MHz

Lower TDP (150W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +142%

5.12 TFLOPS

GeForce GTX 750 Ti OEM

2.108 TFLOPS

Radeon R9 390 X2

VS

GeForce GTX 750 Ti OEM

Graphics Card

Sep 2015

Release Date

Unknown

Pirate Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1033 MHz

-

Boost Clock

1098 MHz

1350 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

192.3GB/s

Render Config

40

Compute Units

-

2560

Shading Units

960

160

TMUs

80

64

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

21.96 GPixel/s

160.0 GTexel/s

Texture Rate

87.84 GTexel/s

-

5.120 TFLOPS

FP32 (float)

2.108 TFLOPS

640.0 GFLOPS

FP64 (double)

87.84 GFLOPS

Board Design

580W

TDP

150W

950 W

Suggested PSU

450 W

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

Outputs

No outputs

4x 8-pin

Power Connectors

-

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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