AMD Radeon R7 340 OEM vs AMD Radeon Pro V620

VS

AMD Radeon R7 340 OEM

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM and 32GB VRAM Radeon Pro V620 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 300W)

AMD Radeon Pro V620 's Advantages

Released 6 years and 6 months late

Boost Clock has increased by 182% (2200MHz vs 780MHz)

More VRAM (32GB vs 2GB)

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

4224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 340 OEM

0.599 TFLOPS

Radeon Pro V620 +3285%

20.28 TFLOPS

Radeon R7 340 OEM

VS

Radeon Pro V620

Graphics Card

May 2015

Release Date

Nov 2021

Pirate Islands

Generation

Radeon Pro

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

2200 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

64.00GB/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

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

6.240 GPixel/s

Pixel Rate

281.6 GPixel/s

18.72 GTexel/s

Texture Rate

633.6 GTexel/s

-

FP16 (half)

40.55 TFLOPS

599.0 GFLOPS

FP32 (float)

20.28 TFLOPS

37.44 GFLOPS

FP64 (double)

1267 GFLOPS

Board Design

50W

TDP

300W

250 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

No outputs

None

Power Connectors

2x 8-pin

Graphics Processor

Oland

GPU Name

Navi 21

-

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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