AMD Radeon RX 8800 XT vs AMD Radeon R9 290X
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Oct 2013
Generation
Navi IV(RX 8000)
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1295 MHz
—
Boost Clock
2430 MHz
—
Memory Clock
2438 MHz
1250 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
512bit
Bandwidth
624.1GB/s
320.0GB/s
Render Config
Compute Units
64
44
Shading Units
4096
2816
TMUs
256
176
ROPs
96
64
RT Cores
64
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
1024 KB
L3 Cache
64 MB
—
Theoretical Performance
Pixel Rate
233.3 GPixel/s
64.00 GPixel/s
Texture Rate
622.1 GTexel/s
176.0 GTexel/s
FP16 (half)
39.81 TFLOPS
—
FP32 (float)
19.91 TFLOPS
5.632 TFLOPS
FP64 (double)
622.1 GFLOPS
704.0 GFLOPS
Graphics Processor
GPU Name
Navi 48
Hawaii
GPU Variant
Navi 48 XT
Hawaii XT(215-0852000)
Architecture
RDNA 4.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
Unknown
6.2 billion
Die Size
Unknown
438 mm²
Board Design
TDP
220W
290W
Suggested PSU
550 W
600 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
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
2.1
Vulkan
1.3
1.2.170
Shader Model
6.8
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.