AMD Radeon RX 8800 XT vs AMD Radeon R7 340 OEM

VS

AMD Radeon RX 8800 XT

AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 8800 XT and 2GB VRAM Radeon R7 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 8800 XT 's Advantages

Boost Clock has increased by 212% (2430MHz vs 780MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 64.00GB/s)

3712 additional rendering cores

AMD Radeon R7 340 OEM 's Advantages

Lower TDP (50W vs 220W)

Score

Benchmark

FP32 (float)

Radeon RX 8800 XT +3223%

19.91 TFLOPS

Radeon R7 340 OEM

0.599 TFLOPS

Radeon RX 8800 XT

VS

Radeon R7 340 OEM

Graphics Card

Unknown

Release Date

May 2015

Navi IV(RX 8000)

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1295 MHz

Base Clock

730 MHz

2430 MHz

Boost Clock

780 MHz

2438 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

624.1GB/s

Bandwidth

64.00GB/s

Render Config

64

Compute Units

6

-

4096

Shading Units

384

256

TMUs

24

96

ROPs

8

-

64

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

6.240 GPixel/s

622.1 GTexel/s

Texture Rate

18.72 GTexel/s

39.81 TFLOPS

FP16 (half)

-

19.91 TFLOPS

FP32 (float)

599.0 GFLOPS

622.1 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

220W

TDP

50W

550 W

Suggested PSU

250 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 48

GPU Name

Oland

Navi 48 XT

GPU Variant

-

RDNA 4.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

0.95 billion

Unknown

Die Size

77 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.8

Shader Model

5.1

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