AMD Radeon R9 390X vs NVIDIA GeForce GTS 450

VS

AMD Radeon R9 390X

NVIDIA GeForce GTS 450

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 1024MB VRAM GeForce GTS 450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Released 4 years and 9 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 57.73GB/s)

2624 additional rendering cores

NVIDIA GeForce GTS 450 's Advantages

Lower TDP (106W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +884%

5.914 TFLOPS

GeForce GTS 450

0.601 TFLOPS

Radeon R9 390X

VS

GeForce GTS 450

Graphics Card

Jun 2015

Release Date

Sep 2010

Pirate Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

902 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

128bit

384.0GB/s

Bandwidth

57.73GB/s

Render Config

44

Compute Units

-

SM Count

4

2816

Shading Units

192

176

TMUs

32

64

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

6.264 GPixel/s

184.8 GTexel/s

Texture Rate

25.06 GTexel/s

-

5.914 TFLOPS

FP32 (float)

601.3 GFLOPS

739.2 GFLOPS

FP64 (double)

50.11 GFLOPS

Board Design

275W

TDP

106W

600 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Grenada

GPU Name

GF106

Grenada XT (215-0880004)

GPU Variant

GF106-250-KA-A1

GCN 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

1.17 billion

438 mm²

Die Size

238 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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