AMD Radeon R9 390 X2 vs AMD Radeon RX 7900 GRE
GPU · Specs Compare
Graphics Card
Release Date
Sep 2015
Jul 2023
Generation
Pirate Islands
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1350 MHz
2250 MHz
Base Clock
—
1287 MHz
Boost Clock
—
2245 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
256bit
Bandwidth
345.6GB/s
576.0GB/s
Render Config
Compute Units
40
80
Shading Units
2560
5120
TMUs
160
320
ROPs
64
160
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
1024 KB
6 MB
RT Cores
—
80
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
359.2 GPixel/s
Texture Rate
160.0 GTexel/s
718.4 GTexel/s
FP32 (float)
5.120 TFLOPS
45.98 TFLOPS
FP64 (double)
640.0 GFLOPS
1436.8 GFLOPS
FP16 (half)
—
91.96 TFLOPS
Graphics Processor
GPU Name
Grenada
Navi 31
GPU Variant
Grenada PRO(215-0880030)
Navi 31 XL(215-145000206)
Architecture
GCN 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
6.2 billion
57.7 billion
Die Size
438 mm²
529 mm²
Board Design
TDP
580W
260W
Suggested PSU
950 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
4x 8-pin
2x 8-pin
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
—
22,476
3DMark Time Spy Extreme
—
10,591
3DMark Speed Way
—
4,417
Cyberpunk 2077 2160p
—
40
Cyberpunk 2077 1440p
—
88
Blender
—
3,114
Cyberpunk 2077 1080p
—
130
▲ Specs Compare
Data sourced from official specifications and benchmark tests.