AMD Radeon RX 7800 XT vs AMD Radeon Pro Vega 20
GPU Specs Compare
Graphics Card
Release Date
Aug 2023
Nov 2018
Generation
Navi III
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1295 MHz
815 MHz
Boost Clock
2430 MHz
1283 MHz
Memory Clock
2438 MHz
740 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
HBM2
Memory Bus
256bit
1024bit
Bandwidth
624.1GB/s
189.4GB/s
Render Config
Compute Units
60
20
Shading Units
3840
1280
TMUs
240
80
ROPs
96
32
RT Cores
60
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
1024 KB
L3 Cache
64 MB
-
Theoretical Performance
Pixel Rate
233.3 GPixel/s
41.06 GPixel/s
Texture Rate
583.2 GTexel/s
102.6 GTexel/s
FP16 (half)
74.65 TFLOPS
6.569 TFLOPS
FP32 (float)
37.32 TFLOPS
3.284 TFLOPS
FP64 (double)
1166.4 GFLOPS
205.3 GFLOPS
Graphics Processor
GPU Name
Navi 32
Vega 12
GPU Variant
Navi 32 XT(215-180000006)
Vega 12 XTA
Architecture
RDNA 3.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
28.1 billion
Unknown
Die Size
346 mm²
Unknown
Board Design
TDP
263W
100W
Suggested PSU
600 W
-
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
No outputs
Power Connectors
2x 8-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2
Shader Model
6.8
6.3
📊 Benchmark
3DMark Time Spy
20,086
2,596
3DMark Time Spy Extreme
9,448
1,211
3DMark Speed Way
3,978
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82
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Cyberpunk 2077 2160p
38
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Shadow of the Tomb Raider 1440p
158
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Cyberpunk 2077 1440p
82
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Shadow of the Tomb Raider 1080p
234
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Cyberpunk 2077 1080p
126
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GTA 5 2160p
140
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GTA 5 1440p
140
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GTA 5 1080p
190
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Horizon Forbidden West 1080p
98
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Horizon Forbidden West 1440p
81
-
Horizon Forbidden West 2160p
52
-