AMD Radeon RX 7800 vs AMD Radeon R9 270X

VS

AMD Radeon RX 7800

AMD Radeon R9 270X

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 's Advantages

Released 9 years and 3 months late

Boost Clock has increased by 167% (2800MHz vs 1050MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 179.2GB/s)

2560 additional rendering cores

AMD Radeon R9 270X 's Advantages

Lower TDP (180W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +1288%

37.32 TFLOPS

Radeon R9 270X

2.688 TFLOPS

Radeon RX 7800

VS

Radeon R9 270X

Graphics Card

Jan 2023

Release Date

Oct 2013

Navi III

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1800 MHz

Base Clock

1000 MHz

2800 MHz

Boost Clock

1050 MHz

2250 MHz

Memory Clock

1400 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

179.2GB/s

Render Config

60

Compute Units

20

-

3840

Shading Units

1280

240

TMUs

80

128

ROPs

32

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

64 MB

L3 Cache

-

Theoretical Performance

358.4 GPixel/s

Pixel Rate

33.60 GPixel/s

672.0 GTexel/s

Texture Rate

84.00 GTexel/s

86.02 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

2.688 TFLOPS

1344 GFLOPS

FP64 (double)

168.0 GFLOPS

Board Design

300W

TDP

180W

700 W

Suggested PSU

450 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 32

GPU Name

Curacao

Navi 32 XT

GPU Variant

Curacao XT (215-0848004)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

Unknown

Transistors

2.8 billion

346 mm²

Die Size

212 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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