AMD Radeon RX 7900 XTX vs AMD Radeon R9 390
GPU Specs Compare
Graphics Card
Release Date
Nov 2022
Jun 2015
Generation
Navi III
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1929 MHz
-
Boost Clock
2498 MHz
-
Memory Clock
2500 MHz
1500 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
384bit
512bit
Bandwidth
960.0GB/s
384.0GB/s
Render Config
Compute Units
96
40
Shading Units
6144
2560
TMUs
384
160
ROPs
192
64
RT Cores
96
-
L1 Cache
256 KB per Array
16 KB (per CU)
L2 Cache
6 MB
1024 KB
L3 Cache
96 MB
-
Theoretical Performance
Pixel Rate
479.6 GPixel/s
64.00 GPixel/s
Texture Rate
959.2 GTexel/s
160.0 GTexel/s
FP16 (half)
122.8 TFLOPS
-
FP32 (float)
61.39 TFLOPS
5.120 TFLOPS
FP64 (double)
1.918 TFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
Navi 31
Grenada
GPU Variant
Navi 31 XTX(215-145000146)
Grenada PRO(215-0880030)
Architecture
RDNA 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
57.7 billion
6.2 billion
Die Size
529 mm²
438 mm²
Board Design
TDP
355W
275W
Suggested PSU
750 W
600 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.0
Vulkan
1.4
1.2
Shader Model
6.8
6.3
📊 Benchmark
3DMark Time Spy
30,512
3,964
3DMark Time Spy Extreme
15,278
1,931
3DMark Speed Way
6,363
-
Shadow of the Tomb Raider 2160p
127
-
Cyberpunk 2077 2160p
60
-
Shadow of the Tomb Raider 1440p
228
-
Cyberpunk 2077 1440p
108
-
Shadow of the Tomb Raider 1080p
310
-
Blender
4,680
-
Cyberpunk 2077 1080p
176
-
GTA 5 2160p
175
-
GTA 5 1440p
175
-
GTA 5 1080p
190
-
Horizon Forbidden West 1080p
144
-
Horizon Forbidden West 1440p
121
-
Horizon Forbidden West 2160p
80
-