AMD Radeon R9 270X vs AMD Radeon RX 6950 XT
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X 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 270X 's Advantages
Lower TDP (180W vs 335W)
AMD Radeon RX 6950 XT 's Advantages
Released 8 years and 7 months late
Boost Clock has increased by 120% (2310MHz vs 1050MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (576.0GB/s vs 179.2GB/s)
3840 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 270X
2.688 TFLOPS
Radeon RX 6950 XT
+779%
23.65 TFLOPS
3DMark Time Spy
Radeon R9 270X
1769
Radeon RX 6950 XT
+1117%
21537
Graphics Card
Oct 2013
Release Date
May 2022
Volcanic Islands
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1000 MHz
Base Clock
1860 MHz
1050 MHz
Boost Clock
2310 MHz
1400 MHz
Memory Clock
2250 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
179.2GB/s
Bandwidth
576.0GB/s
Render Config
20
Compute Units
80
-
-
-
1280
Shading Units
5120
80
TMUs
320
32
ROPs
128
-
-
-
-
RT Cores
80
16 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
4 MB
-
L3 Cache
128 MB
Theoretical Performance
33.60 GPixel/s
Pixel Rate
295.7 GPixel/s
84.00 GTexel/s
Texture Rate
739.2 GTexel/s
-
FP16 (half)
47.31 TFLOPS
2.688 TFLOPS
FP32 (float)
23.65 TFLOPS
168.0 GFLOPS
FP64 (double)
1478 GFLOPS
Board Design
180W
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
2x 6-pin
Power Connectors
2x 8-pin
Graphics Processor
Curacao
GPU Name
Navi 21
Curacao XT
(215-0848004)
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
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
-
-
-
5.1
Shader Model
6.5
