AMD Radeon R9 390X vs NVIDIA GeForce RTX 2080

VS

AMD Radeon R9 390X

NVIDIA GeForce RTX 2080

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 8GB VRAM GeForce RTX 2080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 's Advantages

Released 3 years and 3 months late

Boost Clock1710MHz

Larger VRAM bandwidth (448.0GB/s vs 384.0GB/s)

128 additional rendering cores

Lower TDP (215W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X

5.914 TFLOPS

GeForce RTX 2080 +70%

10.07 TFLOPS

3DMark Time Spy

Radeon R9 390X

4245

GeForce RTX 2080 +157%

10946

Radeon R9 390X

VS

GeForce RTX 2080

Graphics Card

Jun 2015

Release Date

Sep 2018

Pirate Islands

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1515 MHz

-

Boost Clock

1710 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

448.0GB/s

Render Config

44

Compute Units

-

SM Count

46

2816

Shading Units

2944

176

TMUs

184

64

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

109.4 GPixel/s

184.8 GTexel/s

Texture Rate

314.6 GTexel/s

-

FP16 (half)

20.14 TFLOPS

5.914 TFLOPS

FP32 (float)

10.07 TFLOPS

739.2 GFLOPS

FP64 (double)

314.6 GFLOPS

Board Design

275W

TDP

215W

600 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Grenada

GPU Name

TU104

Grenada XT (215-0880004)

GPU Variant

TU104-400A-A1

GCN 2.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

6.2 billion

Transistors

13.6 billion

438 mm²

Die Size

545 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

6.3

Shader Model

6.6

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