AMD Radeon R9 390 X2 vs NVIDIA CMP 90HX

VS

AMD Radeon R9 390 X2

NVIDIA CMP 90HX

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 10GB VRAM CMP 90HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 90HX 's Advantages

Released 5 years and 10 months late

Boost Clock1710MHz

More VRAM (10GB vs 8GB)

Larger VRAM bandwidth (760.3GB/s vs 345.6GB/s)

3840 additional rendering cores

Lower TDP (320W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2

5.12 TFLOPS

CMP 90HX +327%

21.89 TFLOPS

Radeon R9 390 X2

VS

CMP 90HX

Graphics Card

Sep 2015

Release Date

Jul 2021

Pirate Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1500 MHz

-

Boost Clock

1710 MHz

1350 MHz

Memory Clock

1188 MHz

Memory

8GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6X

512bit

Memory Bus

320bit

345.6GB/s

Bandwidth

760.3GB/s

Render Config

40

Compute Units

-

SM Count

50

2560

Shading Units

6400

160

TMUs

200

64

ROPs

80

-

Tensor Cores

200

-

RT Cores

50

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

5 MB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

136.8 GPixel/s

160.0 GTexel/s

Texture Rate

342.0 GTexel/s

-

FP16 (half)

21.89 TFLOPS

5.120 TFLOPS

FP32 (float)

21.89 TFLOPS

640.0 GFLOPS

FP64 (double)

342.0 GFLOPS

Board Design

580W

TDP

320W

950 W

Suggested PSU

700 W

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

Outputs

No outputs

4x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Grenada

GPU Name

GA102

Grenada PRO (215-0880030)

GPU Variant

GA102-100-A1

GCN 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

6.2 billion

Transistors

28.3 billion

438 mm²

Die Size

628 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

8.6

6.3

Shader Model

6.6

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