AMD Radeon R9 290X vs AMD Radeon RX 8800 XT
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 8800 XT 's Advantages
Boost Clock2430MHz
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (624.1GB/s vs 320.0GB/s)
1280 additional rendering cores
Lower TDP (220W vs 290W)
Score
Benchmark
FP32 (float)
Radeon R9 290X
5.632 TFLOPS
Radeon RX 8800 XT
+253%
19.91 TFLOPS
Graphics Card
Oct 2013
Release Date
Unknown
Volcanic Islands
Generation
Navi IV(RX 8000)
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1295 MHz
-
Boost Clock
2430 MHz
1250 MHz
Memory Clock
2438 MHz
Memory
4GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
512bit
Memory Bus
256bit
320.0GB/s
Bandwidth
624.1GB/s
Render Config
44
Compute Units
64
-
-
-
2816
Shading Units
4096
176
TMUs
256
64
ROPs
96
-
-
-
-
RT Cores
64
16 KB (per CU)
L1 Cache
128 KB per Array
1024 KB
L2 Cache
4 MB
-
L3 Cache
64 MB
Theoretical Performance
64.00 GPixel/s
Pixel Rate
233.3 GPixel/s
176.0 GTexel/s
Texture Rate
622.1 GTexel/s
-
FP16 (half)
39.81 TFLOPS
5.632 TFLOPS
FP32 (float)
19.91 TFLOPS
704.0 GFLOPS
FP64 (double)
622.1 GFLOPS
Board Design
290W
TDP
220W
600 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Hawaii
GPU Name
Navi 48
Hawaii XT
(215-0852000)
GPU Variant
Navi 48 XT
GCN 2.0
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
28 nm
Process Size
4 nm
6.2 billion
Transistors
Unknown
438 mm²
Die Size
Unknown
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
2.2
1.2
Vulkan
1.3
-
-
-
6.3
Shader Model
6.8
