AMD Radeon R9 270 1024SP vs AMD Radeon RX 6950 XT

VS

AMD Radeon R9 270 1024SP AMD Radeon RX 6950 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 16GB VRAM Radeon RX 6950 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 335W)

AMD Radeon RX 6950 XT 's Advantages

Released 7 years and 2 months late

Boost Clock has increased by 150% (2310MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 153.6GB/s)

4096 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

Radeon RX 6950 XT +1148%

23.65 TFLOPS

Radeon R9 270 1024SP

VS

Radeon RX 6950 XT

Graphics Card

Mar 2015

Release Date

May 2022

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1860 MHz

925 MHz

Boost Clock

2310 MHz

1200 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

16

Compute Units

80

1024

Shading Units

5120

64

TMUs

320

32

ROPs

128

-

Tensor Cores

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

295.7 GPixel/s

59.20 GTexel/s

Texture Rate

739.2 GTexel/s

-

FP16 (half)

47.31 TFLOPS

1.894 TFLOPS

FP32 (float)

23.65 TFLOPS

118.4 GFLOPS

FP64 (double)

1478 GFLOPS

Graphics Processor

Pitcairn

GPU Name

Navi 21

Pitcairn PRO (215-0828062)

GPU Variant

Navi 21 KXTX (215-121000289)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

26.8 billion

212 mm²

Die Size

520 mm²

Board Design

150W

TDP

335W

450 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a

1x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.5

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