AMD Radeon RX 7990 XTX vs AMD Radeon RX 6650 XT

VS

AMD Radeon RX 7990 XTX

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 8GB VRAM Radeon RX 6650 XT 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 37% (3599MHz vs 2635MHz)

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (1152GB/s vs 280.3GB/s)

4096 additional rendering cores

AMD Radeon RX 6650 XT 's Advantages

Lower TDP (176W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +719%

88.45 TFLOPS

Radeon RX 6650 XT

10.79 TFLOPS

Radeon RX 7990 XTX

VS

Radeon RX 6650 XT

Graphics Card

Unknown

Release Date

May 2022

Navi III

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2500 MHz

Base Clock

2055 MHz

3599 MHz

Boost Clock

2635 MHz

3000 MHz

Memory Clock

2190 MHz

Memory

24GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

128bit

1152GB/s

Bandwidth

280.3GB/s

Render Config

96

Compute Units

32

-

6144

Shading Units

2048

384

TMUs

128

192

ROPs

64

-

96

RT Cores

32

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

2 MB

192 MB

L3 Cache

32 MB

Theoretical Performance

691.0 GPixel/s

Pixel Rate

168.6 GPixel/s

1382 GTexel/s

Texture Rate

337.3 GTexel/s

176.9 TFLOPS

FP16 (half)

21.59 TFLOPS

88.45 TFLOPS

FP32 (float)

10.79 TFLOPS

2.764 TFLOPS

FP64 (double)

674.6 GFLOPS

Board Design

405W

TDP

176W

800 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

3x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 31

GPU Name

Navi 23

Navi 31 XTX+

GPU Variant

Navi 23 KXT (215-130000136)

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

57.7 billion

Transistors

11.06 billion

529 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon RX 7990 XTX vs ATI Radeon HD 4350 PCI

2

AMD Radeon RX 7990 XTX vs AMD Radeon RX 6900 XT

3

AMD Radeon RX 7990 XTX vs ATI Radeon X1650 GTO

4

AMD Radeon RX 7990 XTX vs NVIDIA GeForce 7950 GT AGP

5

AMD Radeon RX 7990 XTX vs AMD Radeon RX 550X 640SP

6

AMD Radeon RX 7990 XTX vs ATI Radeon HD 5770

7

AMD Radeon RX 7990 XTX vs AMD Radeon HD 8570 OEM Rebrand

8

AMD Radeon RX 7990 XTX vs NVIDIA GeForce RTX 2070 SUPER

9

AMD Radeon RX 7990 XTX vs NVIDIA GeForce GTX 1060 6 GB GDDR5X

10

AMD Radeon RX 7990 XTX vs AMD Radeon R9 295X2

Related News

1

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

2

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

3

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

4

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

5

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

6

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

7

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

8

CXMT Reportedly Achieves 80% Yield in DDR5 Production

9

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

10

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market