AMD Radeon RX 6800M vs AMD Radeon R9 270X
GPU Specs Compare
Graphics Card
Release Date
May 2021
Oct 2013
Generation
Mobility Radeon
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2116 MHz
1000 MHz
Boost Clock
2390 MHz
1050 MHz
Memory Clock
2000 MHz
1400 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
384.0GB/s
179.2GB/s
Render Config
Compute Units
40
20
Shading Units
2560
1280
TMUs
160
80
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
153.0 GPixel/s
33.60 GPixel/s
Texture Rate
382.4 GTexel/s
84.00 GTexel/s
FP16 (half)
24.47 TFLOPS
-
FP32 (float)
12.24 TFLOPS
2.688 TFLOPS
FP64 (double)
764.8 GFLOPS
168.0 GFLOPS
Graphics Processor
GPU Name
Navi 22
Curacao
GPU Variant
Navi 22 XTM
Curacao XT(215-0848004)
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
145W
180W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
-
450 W
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
📊 Benchmark
3DMark Time Spy
11,498
1,769
3DMark Time Spy Extreme
5,418
-
3DMark Speed Way
2,096
-
Blender
1,568
-