AMD Radeon RX 6650 XT vs AMD Radeon RX 7900 GRE

VS

AMD Radeon RX 6650 XT AMD Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 16GB VRAM Radeon RX 7900 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Boost Clock has increased by 17% (2635MHz vs 2245MHz)

Lower TDP (176W vs 260W)

AMD Radeon RX 7900 GRE 's Advantages

Released 1 years and 2 months late

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 280.3GB/s)

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT

10.79 TFLOPS

Radeon RX 7900 GRE +326%

45.98 TFLOPS

3DMark Time Spy

Radeon RX 6650 XT

9897

Radeon RX 7900 GRE +124%

22258

Radeon RX 6650 XT

VS

Radeon RX 7900 GRE

Graphics Card

May 2022

Release Date

Jul 2023

Navi II

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

2055 MHz

Base Clock

1287 MHz

2635 MHz

Boost Clock

2245 MHz

2190 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

280.3GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

32

Compute Units

80

2048

Shading Units

5120

128

TMUs

320

64

ROPs

160

-

Tensor Cores

-

32

RT Cores

80

128 KB per Array

L1 Cache

256 KB per Array

2 MB

L2 Cache

6 MB

Theoretical Performance

168.6 GPixel/s

Pixel Rate

359.2 GPixel/s

337.3 GTexel/s

Texture Rate

718.4 GTexel/s

21.59 TFLOPS

FP16 (half)

91.96 TFLOPS

10.79 TFLOPS

FP32 (float)

45.98 TFLOPS

674.6 GFLOPS

FP64 (double)

1437 GFLOPS

Graphics Processor

Navi 23

GPU Name

Navi 31

Navi 23 KXT (215-130000136)

GPU Variant

Navi 31 XL

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

11.06 billion

Transistors

57.7 billion

237 mm²

Die Size

529 mm²

Board Design

176W

TDP

260W

450 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

2x 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

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