AMD Radeon RX 6900 XT vs AMD Radeon R5 340X OEM

VS

AMD Radeon RX 6900 XT AMD Radeon R5 340X OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 2GB VRAM Radeon R5 340X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages

Released 5 years and 5 months late

Boost Clock2250MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 16.00GB/s)

4736 additional rendering cores

AMD Radeon R5 340X OEM 's Advantages

Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XT +3234%

23.04 TFLOPS

Radeon R5 340X OEM

0.691 TFLOPS

Radeon RX 6900 XT

VS

Radeon R5 340X OEM

Graphics Card

Oct 2020

Release Date

May 2015

Navi II

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

80

Compute Units

6

5120

Shading Units

384

320

TMUs

24

128

ROPs

8

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

128 KB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

7.200 GPixel/s

720.0 GTexel/s

Texture Rate

21.60 GTexel/s

46.08 TFLOPS

FP16 (half)

-

23.04 TFLOPS

FP32 (float)

691.2 GFLOPS

1440 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

Navi 21

GPU Name

Oland

Navi 21 XTX (215-121000167)

GPU Variant

Oland XT (215-0837000)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

0.95 billion

520 mm²

Die Size

77 mm²

Board Design

300W

TDP

65W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.2

2x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

5.1

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