AMD Radeon R9 M485X vs AMD Radeon RX 7800 XT
GPU Specs Compare
Graphics Card
Release Date
May 2016
Aug 2023
Generation
Crystal System
Navi III
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Memory Clock
1250 MHz
2438 MHz
Base Clock
-
1295 MHz
Boost Clock
-
2430 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
624.1GB/s
Render Config
Compute Units
32
60
Shading Units
2048
3840
TMUs
128
240
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
RT Cores
-
60
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
233.3 GPixel/s
Texture Rate
92.54 GTexel/s
583.2 GTexel/s
FP16 (half)
2.961 TFLOPS
74.65 TFLOPS
FP32 (float)
2.961 TFLOPS
37.32 TFLOPS
FP64 (double)
185.1 GFLOPS
1166.4 GFLOPS
Graphics Processor
GPU Name
Amethyst
Navi 32
GPU Variant
Amethyst XT
Navi 32 XT(215-180000006)
Architecture
GCN 3.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
5 billion
28.1 billion
Die Size
366 mm²
346 mm²
Board Design
TDP
250W
263W
Outputs
No outputs
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
None
2x 8-pin
Suggested PSU
-
600 W
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