AMD Radeon R5 340 OEM vs AMD Radeon RX 6800 XT

VS

AMD Radeon R5 340 OEM

AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 340 OEM and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340 OEM 's Advantages

Lower TDP (65W vs 300W)

AMD Radeon RX 6800 XT 's Advantages

Released 5 years and 5 months late

Boost Clock has increased by 188% (2250MHz vs 780MHz)

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 36.80GB/s)

4224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 340 OEM

0.599 TFLOPS

Radeon RX 6800 XT +3362%

20.74 TFLOPS

Radeon R5 340 OEM

VS

Radeon RX 6800 XT

Graphics Card

May 2015

Release Date

Oct 2020

Pirate Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

730 MHz

Base Clock

1825 MHz

780 MHz

Boost Clock

2250 MHz

1150 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

36.80GB/s

Bandwidth

512.0GB/s

Render Config

6

Compute Units

72

-

384

Shading Units

4608

24

TMUs

288

8

ROPs

128

-

RT Cores

72

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

6.240 GPixel/s

Pixel Rate

288.0 GPixel/s

18.72 GTexel/s

Texture Rate

648.0 GTexel/s

-

FP16 (half)

41.47 TFLOPS

599.0 GFLOPS

FP32 (float)

20.74 TFLOPS

37.44 GFLOPS

FP64 (double)

1296 GFLOPS

Board Design

65W

TDP

300W

250 W

Suggested PSU

700 W

1x DVI 1x DisplayPort 1.2

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Oland

GPU Name

Navi 21

Oland PRO (215-0837015)

GPU Variant

Navi 21 XT (215-121000177)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

0.95 billion

Transistors

26.8 billion

77 mm²

Die Size

520 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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