AMD Radeon RX 7700 XT vs AMD Radeon R9 390X
GPU Specs Compare
Graphics Card
Release Date
Aug 2023
Jun 2015
Generation
Navi III
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1435 MHz
-
Boost Clock
2544 MHz
-
Memory Clock
2250 MHz
1500 MHz
Memory
Memory Size
12GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
512bit
Bandwidth
432.0GB/s
384.0GB/s
Render Config
Compute Units
54
44
Shading Units
3456
2816
TMUs
216
176
ROPs
96
64
RT Cores
54
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
1024 KB
L3 Cache
48 MB
-
Theoretical Performance
Pixel Rate
244.2 GPixel/s
67.20 GPixel/s
Texture Rate
549.5 GTexel/s
184.8 GTexel/s
FP16 (half)
70.34 TFLOPS
-
FP32 (float)
35.17 TFLOPS
5.914 TFLOPS
FP64 (double)
1099.0 GFLOPS
739.2 GFLOPS
Graphics Processor
GPU Name
Navi 32
Grenada
GPU Variant
Navi 32 XL(215-180000076)
Grenada XT(215-0880004)
Architecture
RDNA 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
28.1 billion
6.2 billion
Die Size
346 mm²
438 mm²
Board Design
TDP
245W
275W
Suggested PSU
550 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
1.3
1.2
Shader Model
6.8
6.3