AMD Radeon RX 6900 XTX vs AMD Radeon RX 7990 XTX

VS

AMD Radeon RX 6900 XTX AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

Lower TDP (330W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 48% (3599MHz vs 2435MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (1152GB/s vs 576.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX

24.93 TFLOPS

Radeon RX 7990 XTX +254%

88.45 TFLOPS

Radeon RX 6900 XTX

VS

Radeon RX 7990 XTX

Graphics Card

Unknown

Release Date

Unknown

Navi II

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2075 MHz

Base Clock

2500 MHz

2435 MHz

Boost Clock

3599 MHz

2250 MHz

Memory Clock

3000 MHz

Memory

16GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

384bit

576.0GB/s

Bandwidth

1152GB/s

Render Config

-

SM Count

-

80

Compute Units

96

5120

Shading Units

6144

320

TMUs

384

128

ROPs

192

-

Tensor Cores

-

80

RT Cores

96

128 KB per Array

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

Theoretical Performance

311.7 GPixel/s

Pixel Rate

691.0 GPixel/s

779.2 GTexel/s

Texture Rate

1382 GTexel/s

49.87 TFLOPS

FP16 (half)

176.9 TFLOPS

24.93 TFLOPS

FP32 (float)

88.45 TFLOPS

1.558 TFLOPS

FP64 (double)

2.764 TFLOPS

Graphics Processor

Navi 21

GPU Name

Navi 31

Navi 21 XTXH (215-121000247)

GPU Variant

Navi 31 XTX+

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

26.8 billion

Transistors

57.7 billion

520 mm²

Die Size

529 mm²

Board Design

330W

TDP

405W

700 W

Suggested PSU

800 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

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

2x 8-pin

Power Connectors

3x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.7

Related GPU Comparisons

1

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 vs AMD Radeon RX 6900 XTX

2

NVIDIA P106 100 vs AMD Radeon RX 6900 XTX

3

NVIDIA GeForce 9400 GT Rev. 2 vs AMD Radeon RX 6900 XTX

4

AMD Radeon RX 7950 XTX vs AMD Radeon RX 6900 XTX

5

NVIDIA GeForce RTX 3060 vs AMD Radeon RX 6900 XTX

6

AMD Radeon Pro 5500 XT vs AMD Radeon RX 6900 XTX

7

AMD Radeon RX 6900 XTX vs NVIDIA NVS 310

8

AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTX 1080 Ti 10 GB

9

AMD Radeon RX 6900 XTX vs NVIDIA PG506 242

10

AMD Radeon RX 6900 XTX vs NVIDIA A16 PCIe

Related News

1

Western Digital WD Blue SN5000 SSD Launched: Up to 8TB Capacity with Mixed TLC/QLC Flash

2

Apple's Most Powerful Laptop is Coming: A Preview of the New MacBook Pro

3

AMD Breakthrough: Ryzen AI HX 370 Processor Benchmark Revealed with Aggressive Performance

4

Russian Cosplayer as Marika from 'Elden Ring': Stunning Figure in a High-Slit Gown

5

AMD Patents Multi-Chip Design GPU with Configurable Multi-Mode Capabilities

6

MSI Unveils Laptop with AMD Ryzen AI 300 Chip at Computex Taipei 2024

7

Intel Releases BIOS Update to Improve Gaming Stability for 13th and 14th Gen Core Processors