AMD Radeon RX 7990 XTX vs NVIDIA CMP 90HX

VS

AMD Radeon RX 7990 XTX

NVIDIA CMP 90HX

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 10GB VRAM CMP 90HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 110% (3599MHz vs 1710MHz)

More VRAM (24GB vs 10GB)

Larger VRAM bandwidth (1152GB/s vs 760.3GB/s)

NVIDIA CMP 90HX 's Advantages

256 additional rendering cores

Lower TDP (320W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +304%

88.45 TFLOPS

CMP 90HX

21.89 TFLOPS

Radeon RX 7990 XTX

VS

CMP 90HX

Graphics Card

Unknown

Release Date

Jul 2021

Navi III

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2500 MHz

Base Clock

1500 MHz

3599 MHz

Boost Clock

1710 MHz

3000 MHz

Memory Clock

1188 MHz

Memory

24GB

Memory Size

10GB

GDDR6

Memory Type

GDDR6X

384bit

Memory Bus

320bit

1152GB/s

Bandwidth

760.3GB/s

Render Config

96

Compute Units

-

SM Count

50

6144

Shading Units

6400

384

TMUs

200

192

ROPs

80

-

Tensor Cores

200

96

RT Cores

50

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

5 MB

192 MB

L3 Cache

-

Theoretical Performance

691.0 GPixel/s

Pixel Rate

136.8 GPixel/s

1382 GTexel/s

Texture Rate

342.0 GTexel/s

176.9 TFLOPS

FP16 (half)

21.89 TFLOPS

88.45 TFLOPS

FP32 (float)

21.89 TFLOPS

2.764 TFLOPS

FP64 (double)

342.0 GFLOPS

Board Design

405W

TDP

320W

800 W

Suggested PSU

700 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

No outputs

3x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 31

GPU Name

GA102

Navi 31 XTX+

GPU Variant

GA102-100-A1

RDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

57.7 billion

Transistors

28.3 billion

529 mm²

Die Size

628 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.6

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