AMD Radeon R9 390X vs NVIDIA CMP 170HX

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 16GB VRAM CMP 170HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 170HX 's Advantages

Released 6 years and 3 months late

Boost Clock1410MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (1493GB/s vs 384.0GB/s)

1664 additional rendering cores

Lower TDP (250W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X

5.914 TFLOPS

CMP 170HX +113%

12.63 TFLOPS

Radeon R9 390X

VS

CMP 170HX

Graphics Card

Jun 2015

Release Date

Sep 2021

Pirate Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1140 MHz

-

Boost Clock

1410 MHz

1500 MHz

Memory Clock

1458 MHz

Memory

8GB

Memory Size

16GB

GDDR5

Memory Type

HBM2e

512bit

Memory Bus

4096bit

384.0GB/s

Bandwidth

1493GB/s

Render Config

-

SM Count

70

44

Compute Units

-

2816

Shading Units

4480

176

TMUs

280

64

ROPs

128

-

Tensor Cores

280

-

RT Cores

-

16 KB (per CU)

L1 Cache

192 KB (per SM)

1024 KB

L2 Cache

8 MB

Theoretical Performance

67.20 GPixel/s

Pixel Rate

180.5 GPixel/s

184.8 GTexel/s

Texture Rate

394.8 GTexel/s

-

FP16 (half)

50.53 TFLOPS

5.914 TFLOPS

FP32 (float)

12.63 TFLOPS

739.2 GFLOPS

FP64 (double)

6.317 TFLOPS

Graphics Processor

Grenada

GPU Name

GA100

Grenada XT (215-0880004)

GPU Variant

GA100-105F-A1

GCN 2.0

Architecture

Ampere

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

6.2 billion

Transistors

54.2 billion

438 mm²

Die Size

826 mm²

Board Design

275W

TDP

250W

600 W

Suggested PSU

600 W

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

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

N/A

4.6

OpenGL

N/A

2.0

OpenCL

3.0

1.2

Vulkan

N/A

-

CUDA

8.0

6.3

Shader Model

N/A

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