AMD Radeon RX 455 OEM vs AMD Radeon RX 6600 XT
GPU Specs Compare
Graphics Card
Release Date
Jun 2016
Jul 2021
Generation
Arctic Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1625 MHz
2000 MHz
Base Clock
-
1968 MHz
Boost Clock
-
2589 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
128bit
128bit
Bandwidth
104.0GB/s
256.0GB/s
Render Config
Compute Units
12
32
Shading Units
768
2048
TMUs
48
128
ROPs
16
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
256 KB
2 MB
RT Cores
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
16.80 GPixel/s
165.7 GPixel/s
Texture Rate
50.40 GTexel/s
331.4 GTexel/s
FP32 (float)
1.613 TFLOPS
10.60 TFLOPS
FP64 (double)
100.8 GFLOPS
662.8 GFLOPS
FP16 (half)
-
21.21 TFLOPS
Graphics Processor
GPU Name
Tobago
Navi 23
GPU Variant
Tobago PRO(215-0875010)
Navi 23 XT(215-130000006)
Architecture
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.08 billion
11.06 billion
Die Size
160 mm²
237 mm²
Board Design
TDP
100W
160W
Suggested PSU
300 W
450 W
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.7
📊 Benchmark
3DMark Time Spy
-
9,656
3DMark Time Spy Extreme
-
4,399
3DMark Speed Way
-
1,675
Battlefield 5 1080p
-
144
Shadow of the Tomb Raider 2160p
-
38
Cyberpunk 2077 2160p
-
29
Shadow of the Tomb Raider 1440p
-
72
Cyberpunk 2077 1440p
-
36
Shadow of the Tomb Raider 1080p
-
119
Battlefield 5 2160p
-
58
Blender
-
1,213
Cyberpunk 2077 1080p
-
58
Battlefield 5 1440p
-
111
GTA 5 2160p
-
61
GTA 5 1440p
-
82
GTA 5 1080p
-
149