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GPU Comparison
AMD Radeon RX 7700 vs AMD Radeon R9 390 X2
AMD Radeon RX 7700 vs AMD Radeon R9 390 X2
VS
AMD Radeon RX 7700
AMD Radeon R9 390 X2
We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7700 's Advantages
Released 7 years and 4 months late
Boost Clock2600MHz
More VRAM (12GB vs 8GB)
Larger VRAM bandwidth (432.0GB/s vs 345.6GB/s)
512 additional rendering cores
Lower TDP (200W vs 580W)
Score
Benchmark
FP32 (float)
Radeon RX 7700
+524%
31.95 TFLOPS
Radeon R9 390 X2
5.12 TFLOPS
Radeon RX 7700
VS
Radeon R9 390 X2
Graphics Card
Jan 2023
Release Date
Sep 2015
Navi III
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1900 MHz
Base Clock
-
2600 MHz
Boost Clock
-
2250 MHz
Memory Clock
1350 MHz
Memory
12GB
Memory Size
8GB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
512bit
432.0GB/s
Bandwidth
345.6GB/s
Render Config
-
SM Count
-
48
Compute Units
40
3072
Shading Units
2560
192
TMUs
160
96
ROPs
64
-
Tensor Cores
-
48
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
1024 KB
Theoretical Performance
249.6 GPixel/s
Pixel Rate
64.00 GPixel/s
499.2 GTexel/s
Texture Rate
160.0 GTexel/s
63.90 TFLOPS
FP16 (half)
-
31.95 TFLOPS
FP32 (float)
5.120 TFLOPS
998.4 GFLOPS
FP64 (double)
640.0 GFLOPS
Graphics Processor
Navi 32
GPU Name
Grenada
Navi 32
GPU Variant
Grenada PRO (215-0880030)
RDNA 3.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
Unknown
Transistors
6.2 billion
346 mm²
Die Size
438 mm²
Board Design
200W
TDP
580W
550 W
Suggested PSU
950 W
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 8-pin
Power Connectors
4x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.2
OpenCL
2.0
1.3
Vulkan
1.2
-
CUDA
-
6.7
Shader Model
6.3
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