AMD Radeon RX 7900 XT vs AMD Radeon R5 340 OEM

VS

AMD Radeon RX 7900 XT

AMD Radeon R5 340 OEM

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 1024MB VRAM Radeon R5 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Released 7 years and 6 months late

Boost Clock has increased by 207% (2394MHz vs 780MHz)

More VRAM (20GB vs 1024GB)

Larger VRAM bandwidth (800.0GB/s vs 36.80GB/s)

4992 additional rendering cores

AMD Radeon R5 340 OEM 's Advantages

Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +8494%

51.48 TFLOPS

Radeon R5 340 OEM

0.599 TFLOPS

Radeon RX 7900 XT

VS

Radeon R5 340 OEM

Graphics Card

Nov 2022

Release Date

May 2015

Navi III

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1387 MHz

Base Clock

730 MHz

2394 MHz

Boost Clock

780 MHz

2500 MHz

Memory Clock

1150 MHz

Memory

20GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

64bit

800.0GB/s

Bandwidth

36.80GB/s

Render Config

84

Compute Units

6

-

5376

Shading Units

384

336

TMUs

24

192

ROPs

8

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

128 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

6.240 GPixel/s

804.4 GTexel/s

Texture Rate

18.72 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

599.0 GFLOPS

1.609 TFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

300W

TDP

65W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.2

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Oland

Navi 31 XT (215-145000156)

GPU Variant

Oland PRO (215-0837015)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

0.95 billion

529 mm²

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

-

6.7

Shader Model

5.1

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