AMD Radeon R9 270X vs AMD Radeon RX 6650 XT
GPU · Specs Compare
Graphics Card
Release Date
Oct 2013
May 2022
Generation
Volcanic Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1000 MHz
2055 MHz
Boost Clock
1050 MHz
2635 MHz
Memory Clock
1400 MHz
2190 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
179.2GB/s
280.3GB/s
Render Config
Compute Units
20
32
Shading Units
1280
2048
TMUs
80
128
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
—
32
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
33.60 GPixel/s
168.6 GPixel/s
Texture Rate
84.00 GTexel/s
337.3 GTexel/s
FP32 (float)
2.688 TFLOPS
10.79 TFLOPS
FP64 (double)
168.0 GFLOPS
674.6 GFLOPS
FP16 (half)
—
21.59 TFLOPS
Graphics Processor
GPU Name
Curacao
Navi 23
GPU Variant
Curacao XT(215-0848004)
Navi 23 KXT(215-130000136)
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.8 billion
11.06 billion
Die Size
212 mm²
237 mm²
Board Design
TDP
180W
176W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.5
Benchmark
3DMark Time Spy
1,769
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.