AMD Radeon RX 6900 XTX vs AMD Radeon RX 590 GME
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Mar 2020
Generation
Navi II
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2075 MHz
1257 MHz
Boost Clock
2435 MHz
1420 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
576.0GB/s
256.0GB/s
Render Config
Compute Units
80
36
Shading Units
5120
2304
TMUs
320
144
ROPs
128
32
RT Cores
80
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
311.7 GPixel/s
45.44 GPixel/s
Texture Rate
779.2 GTexel/s
204.5 GTexel/s
FP16 (half)
49.87 TFLOPS
6.543 TFLOPS
FP32 (float)
24.93 TFLOPS
6.543 TFLOPS
FP64 (double)
1.558 TFLOPS
409.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Polaris 20
GPU Variant
Navi 21 XTXH(215-121000247)
Polaris 20 XTR(215-0910066)
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
5.7 billion
Die Size
520 mm²
232 mm²
Board Design
TDP
330W
175W
Suggested PSU
700 W
450 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.3
Shader Model
6.5
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.