AMD Radeon R7 340 OEM vs AMD Radeon RX 6800

VS

AMD Radeon R7 340 OEM

AMD Radeon RX 6800

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM and 16GB VRAM Radeon RX 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 340 OEM 's Advantages

Lower TDP (50W vs 250W)

AMD Radeon RX 6800 's Advantages

Released 5 years and 5 months late

Boost Clock has increased by 170% (2105MHz vs 780MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

3456 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 340 OEM

0.599 TFLOPS

Radeon RX 6800 +2599%

16.17 TFLOPS

Radeon R7 340 OEM

VS

Radeon RX 6800

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

1700 MHz

780 MHz

Boost Clock

2105 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

512.0GB/s

Render Config

6

Compute Units

60

-

384

Shading Units

3840

24

TMUs

240

8

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

6.240 GPixel/s

Pixel Rate

202.1 GPixel/s

18.72 GTexel/s

Texture Rate

505.2 GTexel/s

-

FP16 (half)

32.33 TFLOPS

599.0 GFLOPS

FP32 (float)

16.17 TFLOPS

37.44 GFLOPS

FP64 (double)

1010 GFLOPS

Board Design

50W

TDP

250W

250 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.4a 1x VGA

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

-

GPU Variant

Navi 21 XL (215-121000187)

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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