AMD Radeon R9 390X vs NVIDIA CMP 90HX

VS

AMD Radeon R9 390X

NVIDIA CMP 90HX

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

Main Differences

AMD Radeon R9 390X 's Advantages

Lower TDP (275W vs 320W)

NVIDIA CMP 90HX 's Advantages

Released 6 years and 1 months late

Boost Clock1710MHz

More VRAM (10GB vs 8GB)

Larger VRAM bandwidth (760.3GB/s vs 384.0GB/s)

3584 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 390X

5.914 TFLOPS

CMP 90HX +270%

21.89 TFLOPS

Radeon R9 390X

VS

CMP 90HX

Graphics Card

Jun 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

1500 MHz

Memory Clock

1188 MHz

Memory

8GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6X

512bit

Memory Bus

320bit

384.0GB/s

Bandwidth

760.3GB/s

Render Config

44

Compute Units

-

SM Count

50

2816

Shading Units

6400

176

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

67.20 GPixel/s

Pixel Rate

136.8 GPixel/s

184.8 GTexel/s

Texture Rate

342.0 GTexel/s

-

FP16 (half)

21.89 TFLOPS

5.914 TFLOPS

FP32 (float)

21.89 TFLOPS

739.2 GFLOPS

FP64 (double)

342.0 GFLOPS

Board Design

275W

TDP

320W

600 W

Suggested PSU

700 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 Processor

Grenada

GPU Name

GA102

Grenada XT (215-0880004)

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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