NVIDIA GeForce GTX 650 Ti vs AMD Radeon R9 390 X2

VS

NVIDIA GeForce GTX 650 Ti

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 650 Ti and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 Ti 's Advantages

Lower TDP (110W vs 580W)

AMD Radeon R9 390 X2 's Advantages

Released 2 years and 11 months late

More VRAM (8GB vs 1024GB)

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

1792 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 650 Ti

1.425 TFLOPS

Radeon R9 390 X2 +259%

5.12 TFLOPS

GeForce GTX 650 Ti

VS

Radeon R9 390 X2

Graphics Card

Oct 2012

Release Date

Sep 2015

GeForce 600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

1350 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

86.40GB/s

Bandwidth

345.6GB/s

Render Config

-

Compute Units

40

-

768

Shading Units

2560

64

TMUs

160

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

14.85 GPixel/s

Pixel Rate

64.00 GPixel/s

59.39 GTexel/s

Texture Rate

160.0 GTexel/s

-

1425 GFLOPS

FP32 (float)

5.120 TFLOPS

59.39 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

110W

TDP

580W

300 W

Suggested PSU

950 W

2x DVI 1x mini-HDMI 1.4a

Outputs

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

1x 6-pin

Power Connectors

4x 8-pin

Graphics Processor

GK106

GPU Name

Grenada

GK106-220-A1

GPU Variant

Grenada PRO (215-0880030)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

6.2 billion

221 mm²

Die Size

438 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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