AMD Radeon RX 7800 XT vs AMD Radeon R9 M270X
GPU · Specs Compare
Graphics Card
Release Date
Aug 2023
Feb 2015
Generation
Navi III
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1295 MHz
900 MHz
Boost Clock
2430 MHz
1000 MHz
Memory Clock
2438 MHz
1375 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
624.1GB/s
88.00GB/s
Render Config
Compute Units
60
12
Shading Units
3840
768
TMUs
240
48
ROPs
96
16
RT Cores
60
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
256 KB
L3 Cache
64 MB
—
Theoretical Performance
Pixel Rate
233.3 GPixel/s
16.00 GPixel/s
Texture Rate
583.2 GTexel/s
48.00 GTexel/s
FP16 (half)
74.65 TFLOPS
—
FP32 (float)
37.32 TFLOPS
1.536 TFLOPS
FP64 (double)
1166.4 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Navi 32
Saturn
GPU Variant
Navi 32 XT(215-180000006)
Saturn PRO(216-0843044)
Architecture
RDNA 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
28.1 billion
2.08 billion
Die Size
346 mm²
160 mm²
Board Design
TDP
263W
Unknown
Suggested PSU
600 W
—
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
Portable Device Dependent
Power Connectors
2x 8-pin
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2.170
Shader Model
6.8
6.5
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
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.