AMD Radeon R9 270 1024SP vs AMD Radeon RX 7950 XT

VS

AMD Radeon R9 270 1024SP

AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Lower TDP (150W vs 300W)

AMD Radeon RX 7950 XT 's Advantages

Boost Clock has increased by 224% (3000MHz vs 925MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (800.0GB/s vs 153.6GB/s)

4352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon RX 7950 XT +3306%

64.51 TFLOPS

Radeon R9 270 1024SP

VS

Radeon RX 7950 XT

Graphics Card

Mar 2015

Release Date

Unknown

Volcanic Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

2000 MHz

925 MHz

Boost Clock

3000 MHz

1200 MHz

Memory Clock

2500 MHz

Memory

2GB

Memory Size

20GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

320bit

153.6GB/s

Bandwidth

800.0GB/s

Render Config

16

Compute Units

84

-

1024

Shading Units

5376

64

TMUs

336

32

ROPs

192

-

RT Cores

84

16 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

576.0 GPixel/s

59.20 GTexel/s

Texture Rate

1008 GTexel/s

-

FP16 (half)

129.0 TFLOPS

1.894 TFLOPS

FP32 (float)

64.51 TFLOPS

118.4 GFLOPS

FP64 (double)

2.016 TFLOPS

Board Design

150W

TDP

300W

450 W

Suggested PSU

700 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

Navi 31

Pitcairn PRO (215-0828062)

GPU Variant

Navi 31 XT+

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.8 billion

Transistors

57.7 billion

212 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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