AMD Radeon HD 8950 OEM vs AMD Radeon RX 6650 XT

VS

AMD Radeon HD 8950 OEM AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM 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 6650 XT 's Advantages

Released 9 years and 4 months late

Boost Clock has increased by 185% (2635MHz vs 925MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (280.3GB/s vs 240.0GB/s)

256 additional rendering cores

Lower TDP (176W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM

3.315 TFLOPS

Radeon RX 6650 XT +225%

10.79 TFLOPS

Radeon HD 8950 OEM

VS

Radeon RX 6650 XT

Graphics Card

Jan 2013

Release Date

May 2022

Sea Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

850 MHz

Base Clock

2055 MHz

925 MHz

Boost Clock

2635 MHz

1250 MHz

Memory Clock

2190 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

280.3GB/s

Render Config

-

SM Count

-

28

Compute Units

32

1792

Shading Units

2048

112

TMUs

128

32

ROPs

64

-

Tensor Cores

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

168.6 GPixel/s

103.6 GTexel/s

Texture Rate

337.3 GTexel/s

-

FP16 (half)

21.59 TFLOPS

3.315 TFLOPS

FP32 (float)

10.79 TFLOPS

828.8 GFLOPS

FP64 (double)

674.6 GFLOPS

Graphics Processor

Tahiti

GPU Name

Navi 23

Tahiti PRO (215-0821056)

GPU Variant

Navi 23 KXT (215-130000136)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

11.06 billion

352 mm²

Die Size

237 mm²

Board Design

200W

TDP

176W

550 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

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

-

CUDA

-

5.1

Shader Model

6.5

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