AMD Radeon RX 6700 XT vs AMD Radeon R9 270 1024SP
GPU · Specs Compare
Graphics Card
Release Date
Mar 2021
Mar 2015
Generation
Navi II
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2321 MHz
900 MHz
Boost Clock
2581 MHz
925 MHz
Memory Clock
2000 MHz
1200 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
384.0GB/s
153.6GB/s
Render Config
Compute Units
40
16
Shading Units
2560
1024
TMUs
160
64
ROPs
64
32
RT Cores
40
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
3 MB
512 KB
L3 Cache
96 MB
—
Theoretical Performance
Pixel Rate
165.2 GPixel/s
29.60 GPixel/s
Texture Rate
413.0 GTexel/s
59.20 GTexel/s
FP16 (half)
26.43 TFLOPS
—
FP32 (float)
13.21 TFLOPS
1.894 TFLOPS
FP64 (double)
825.9 GFLOPS
118.4 GFLOPS
Graphics Processor
GPU Name
Navi 22
Pitcairn
GPU Variant
Navi 22 XT(215-127000006)
Pitcairn PRO(215-0828062)
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
17.2 billion
2.8 billion
Die Size
335 mm²
212 mm²
Board Design
TDP
230W
150W
Suggested PSU
550 W
450 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.5
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.