AMD Radeon R9 390X vs AMD Radeon RX 6750 GRE 10 GB
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Oct 2023
Generation
Pirate Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1500 MHz
2000 MHz
Base Clock
—
1941 MHz
Boost Clock
—
2450 MHz
Memory
Memory Size
8GB
10GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
160bit
Bandwidth
384.0GB/s
320.0GB/s
Render Config
Compute Units
44
36
Shading Units
2816
2304
TMUs
176
144
ROPs
64
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
3 MB
RT Cores
—
36
L3 Cache
—
80 MB
Theoretical Performance
Pixel Rate
67.20 GPixel/s
156.8 GPixel/s
Texture Rate
184.8 GTexel/s
352.8 GTexel/s
FP32 (float)
5.914 TFLOPS
11.29 TFLOPS
FP64 (double)
739.2 GFLOPS
705.6 GFLOPS
FP16 (half)
—
22.58 TFLOPS
Graphics Processor
GPU Name
Grenada
Navi 22
GPU Variant
Grenada XT(215-0880004)
Navi 22 XTL
Architecture
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
6.2 billion
17.2 billion
Die Size
438 mm²
335 mm²
Board Design
TDP
275W
170W
Suggested PSU
600 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.8
Benchmark
3DMark Time Spy
—
11,171
3DMark Time Spy Extreme
—
5,039
3DMark Speed Way
—
1,928
▲ Specs Compare
Data sourced from official specifications and benchmark tests.