AMD Radeon RX 7900 XTX vs AMD Radeon R7 340 OEM

VS

AMD Radeon RX 7900 XTX

AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX 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 7900 XTX 's Advantages

Released 7 years and 6 months late

Boost Clock has increased by 220% (2498MHz vs 780MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (960.0GB/s vs 64.00GB/s)

5760 additional rendering cores

AMD Radeon R7 340 OEM 's Advantages

Lower TDP (50W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +10148%

61.39 TFLOPS

Radeon R7 340 OEM

0.599 TFLOPS

Radeon RX 7900 XTX

VS

Radeon R7 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

1929 MHz

Base Clock

730 MHz

2498 MHz

Boost Clock

780 MHz

2500 MHz

Memory Clock

1000 MHz

Memory

24GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

960.0GB/s

Bandwidth

64.00GB/s

Render Config

96

Compute Units

6

-

6144

Shading Units

384

TMUs

24

192

ROPs

8

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

6.240 GPixel/s

959.2 GTexel/s

Texture Rate

18.72 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

599.0 GFLOPS

1.918 TFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

355W

TDP

50W

750 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Oland

Navi 31 XTX (215-145000146)

GPU Variant

-

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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