AMD Radeon RX 455 OEM vs AMD Radeon RX 7800 XT
GPU Specs Compare
Graphics Card
Release Date
Jun 2016
Aug 2023
Generation
Arctic Islands
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1625 MHz
2438 MHz
Base Clock
-
1295 MHz
Boost Clock
-
2430 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
128bit
256bit
Bandwidth
104.0GB/s
624.1GB/s
Render Config
Compute Units
12
60
Shading Units
768
3840
TMUs
48
240
ROPs
16
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
256 KB
4 MB
RT Cores
-
60
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
16.80 GPixel/s
233.3 GPixel/s
Texture Rate
50.40 GTexel/s
583.2 GTexel/s
FP32 (float)
1.613 TFLOPS
37.32 TFLOPS
FP64 (double)
100.8 GFLOPS
1166.4 GFLOPS
FP16 (half)
-
74.65 TFLOPS
Graphics Processor
GPU Name
Tobago
Navi 32
GPU Variant
Tobago PRO(215-0875010)
Navi 32 XT(215-180000006)
Architecture
GCN 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.08 billion
28.1 billion
Die Size
160 mm²
346 mm²
Board Design
TDP
100W
263W
Suggested PSU
300 W
600 W
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.2
1.3
Shader Model
6.3
6.8
📊 Benchmark
3DMark Time Spy
-
20,086
3DMark Time Spy Extreme
-
9,448
3DMark Speed Way
-
3,978
Shadow of the Tomb Raider 2160p
-
82
Cyberpunk 2077 2160p
-
38
Shadow of the Tomb Raider 1440p
-
158
Cyberpunk 2077 1440p
-
82
Shadow of the Tomb Raider 1080p
-
234
Cyberpunk 2077 1080p
-
126
GTA 5 2160p
-
140
GTA 5 1440p
-
140
GTA 5 1080p
-
190
Horizon Forbidden West 1080p
-
98
Horizon Forbidden West 1440p
-
81
Horizon Forbidden West 2160p
-
52