AMD Radeon RX 6900 XTX vs NVIDIA GeForce 8400

VS

AMD Radeon RX 6900 XTX

NVIDIA GeForce 8400

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 256MB VRAM GeForce 8400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (576.0GB/s vs 8.000GB/s)

5112 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +118614%

24.93 TFLOPS

GeForce 8400

0.021 TFLOPS

Radeon RX 6900 XTX

VS

GeForce 8400

Graphics Card

Unknown

Release Date

Dec 2007

Navi II

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2435 MHz

Boost Clock

-

2250 MHz

Memory Clock

500 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

8.000GB/s

Render Config

80

Compute Units

-

SM Count

1

5120

Shading Units

8

320

TMUs

4

128

ROPs

4

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

16 KB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

2.160 GPixel/s

779.2 GTexel/s

Texture Rate

2.160 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

20.80 GFLOPS

1.558 TFLOPS

FP64 (double)

-

Board Design

330W

TDP

25W

700 W

Suggested PSU

200 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

G98

Navi 21 XTXH (215-121000247)

GPU Variant

-

RDNA 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

7 nm

Process Size

65 nm

26.8 billion

Transistors

0.21 billion

520 mm²

Die Size

86 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.5

Shader Model

4.0

Related GPU Comparisons

1

AMD Radeon RX 6900 XTX vs ATI Radeon HD 4870 X2

2

AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTS 150 OEM

3

AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTX 780 Rev. 2

4

AMD Radeon RX 6900 XTX vs NVIDIA GeForce 8400 GS

5

AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTX 1060 6 GB Rev. 2

6

AMD Radeon RX 6900 XTX vs NVIDIA TITAN X Pascal

7

AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTX 980 Ti

8

AMD Radeon RX 6900 XTX vs AMD Radeon Instinct MI325X

9

AMD Radeon RX 6900 XTX vs AMD Radeon Pro 5700

10

AMD Radeon RX 6900 XTX vs NVIDIA GeForce 9800 GX2

Related News

1

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

2

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

3

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

4

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

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game