Home GPU Comparison AMD Radeon RX 6600 LE vs AMD Radeon R9 270 1024SP

AMD Radeon RX 6600 LE vs AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 LE 's Advantages
Released 8 years and 9 months late
Boost Clock has increased by 170% (2495MHz vs 925MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 153.6GB/s)
768 additional rendering cores
Lower TDP (132W vs 150W)

Score

Benchmark

FP32 (float)
Radeon RX 6600 LE +372%
8.942 TFLOPS
Radeon R9 270 1024SP
1.894 TFLOPS
VS

Graphics Card

Dec 2023
Release Date
Mar 2015
Navi II
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

1626 MHz
Base Clock
900 MHz
2495 MHz
Boost Clock
925 MHz
1750 MHz
Memory Clock
1200 MHz

Memory

8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
256bit
224.0GB/s
Bandwidth
153.6GB/s

Render Config

28
Compute Units
16
-
-
-
1792
Shading Units
1024
112
TMUs
64
64
ROPs
32
-
-
-
28
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
32 MB
L3 Cache
-

Theoretical Performance

159.7 GPixel/s
Pixel Rate
29.60 GPixel/s
279.4 GTexel/s
Texture Rate
59.20 GTexel/s
17.88 TFLOPS
FP16 (half)
-
8.942 TFLOPS
FP32 (float)
1.894 TFLOPS
558.9 GFLOPS
FP64 (double)
118.4 GFLOPS

Board Design

132W
TDP
150W
300 W
Suggested PSU
450 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

Navi 23
GPU Name
Pitcairn
Navi 23 XL (215-130000016)
GPU Variant
Pitcairn PRO (215-0828062)
RDNA 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
11.06 billion
Transistors
2.8 billion
237 mm²
Die Size
212 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.3
Vulkan
1.2
-
-
-
6.7
Shader Model
5.1

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