AMD Radeon RX 6400 vs AMD Radeon HD 8950 OEM

VS

AMD Radeon RX 6400

AMD Radeon HD 8950 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 3GB VRAM Radeon HD 8950 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 9 years late

Boost Clock has increased by 151% (2321MHz vs 925MHz)

More VRAM (4GB vs 3GB)

Lower TDP (53W vs 200W)

AMD Radeon HD 8950 OEM 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 128.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400 +7%

3.565 TFLOPS

Radeon HD 8950 OEM

3.315 TFLOPS

Radeon RX 6400

VS

Radeon HD 8950 OEM

Graphics Card

Jan 2022

Release Date

Jan 2013

Navi II

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

1923 MHz

Base Clock

850 MHz

2321 MHz

Boost Clock

925 MHz

2000 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

384bit

128.0GB/s

Bandwidth

240.0GB/s

Render Config

12

Compute Units

28

-

768

Shading Units

1792

48

TMUs

112

32

ROPs

32

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

29.60 GPixel/s

111.4 GTexel/s

Texture Rate

103.6 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

3.315 TFLOPS

222.8 GFLOPS

FP64 (double)

828.8 GFLOPS

Board Design

53W

TDP

200W

250 W

Suggested PSU

550 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Navi 24

GPU Name

Tahiti

Navi 24 XL (215-135000046)

GPU Variant

Tahiti PRO (215-0821056)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

4.313 billion

107 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon RX 6400 vs AMD Radeon HD 7670 OEM

2

AMD Radeon RX 6400 vs AMD Radeon RX 6700

3

AMD Radeon RX 6400 vs AMD Radeon Pro WX 3200

4

AMD Radeon RX 6400 vs NVIDIA GeForce GTX 650 Ti

5

AMD Radeon RX 6400 vs ATI Radeon HD 2600 XT Mac Edition

6

AMD Radeon RX 6400 vs AMD Radeon R9 FURY

7

AMD Radeon RX 6400 vs ATI Radeon HD 2400 PRO AGP

8

AMD Radeon RX 6400 vs AMD Radeon R9 Nano

9

AMD Radeon RX 6400 vs NVIDIA GeForce GT 440

10

AMD Radeon RX 6400 vs ATI Radeon HD 3850 X3

Related News

1

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

2

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

3

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

4

CXMT Reportedly Achieves 80% Yield in DDR5 Production

5

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

6

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

7

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

8

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

9

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

10

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes