AMD Radeon RX 7950 XT vs AMD Radeon R9 390 X2
GPU Specs Compare
Graphics Card
Release Date
Unknown
Sep 2015
Generation
Navi III
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2000 MHz
-
Boost Clock
3000 MHz
-
Memory Clock
2500 MHz
1350 MHz
Memory
Memory Size
20GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
320bit
512bit
Bandwidth
800.0GB/s
345.6GB/s
Render Config
Compute Units
84
40
Shading Units
5376
2560
TMUs
336
160
ROPs
192
64
RT Cores
84
-
L1 Cache
256 KB per Array
16 KB (per CU)
L2 Cache
6 MB
1024 KB
L3 Cache
80 MB
-
Theoretical Performance
Pixel Rate
576.0 GPixel/s
64.00 GPixel/s
Texture Rate
1008 GTexel/s
160.0 GTexel/s
FP16 (half)
129.0 TFLOPS
-
FP32 (float)
64.51 TFLOPS
5.120 TFLOPS
FP64 (double)
2.016 TFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
Navi 31
Grenada
GPU Variant
Navi 31 XT+
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
300W
580W
Suggested PSU
700 W
950 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
4x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.0
Vulkan
1.3
1.2
Shader Model
6.7
6.3