AMD Radeon R7 350 640SP vs AMD Radeon RX 6650 XT

VS

AMD Radeon R7 350 640SP

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 350 640SP 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 R7 350 640SP 's Advantages

Lower TDP (55W vs 176W)

AMD Radeon RX 6650 XT 's Advantages

Released 3 years and 4 months late

Boost Clock2635MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (280.3GB/s vs 72.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 350 640SP

1.184 TFLOPS

Radeon RX 6650 XT +811%

10.79 TFLOPS

Radeon R7 350 640SP

VS

Radeon RX 6650 XT

Graphics Card

Jan 2019

Release Date

May 2022

Pirate Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2055 MHz

-

Boost Clock

2635 MHz

1125 MHz

Memory Clock

2190 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

280.3GB/s

Render Config

10

Compute Units

32

-

640

Shading Units

2048

40

TMUs

128

16

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

14.80 GPixel/s

Pixel Rate

168.6 GPixel/s

37.00 GTexel/s

Texture Rate

337.3 GTexel/s

-

FP16 (half)

21.59 TFLOPS

1184 GFLOPS

FP32 (float)

10.79 TFLOPS

74.00 GFLOPS

FP64 (double)

674.6 GFLOPS

Board Design

55W

TDP

176W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Cape Verde

GPU Name

Navi 23

Cape Verde XT

GPU Variant

Navi 23 KXT (215-130000136)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.5 billion

Transistors

11.06 billion

123 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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