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GPU Comparison
AMD Radeon RX 7800 XT vs AMD Radeon R9 285X
AMD Radeon RX 7800 XT vs AMD Radeon R9 285X
VS
AMD Radeon RX 7800 XT
AMD Radeon R9 285X
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7800 XT 's Advantages
Boost Clock2430MHz
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (624.1GB/s vs 264.0GB/s)
1792 additional rendering cores
AMD Radeon R9 285X 's Advantages
Lower TDP (200W vs 263W)
Score
Benchmark
FP32 (float)
Radeon RX 7800 XT
+809%
37.32 TFLOPS
Radeon R9 285X
4.104 TFLOPS
Radeon RX 7800 XT
VS
Radeon R9 285X
Graphics Card
Aug 2023
Release Date
Unknown
Navi III
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1295 MHz
Base Clock
-
2430 MHz
Boost Clock
-
2438 MHz
Memory Clock
1375 MHz
Memory
16GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
384bit
624.1GB/s
Bandwidth
264.0GB/s
Render Config
-
SM Count
-
60
Compute Units
32
3840
Shading Units
2048
240
TMUs
128
96
ROPs
32
-
Tensor Cores
-
60
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
768 KB
Theoretical Performance
233.3 GPixel/s
Pixel Rate
32.06 GPixel/s
583.2 GTexel/s
Texture Rate
128.3 GTexel/s
74.65 TFLOPS
FP16 (half)
-
37.32 TFLOPS
FP32 (float)
4.104 TFLOPS
1166 GFLOPS
FP64 (double)
-
Graphics Processor
Navi 32
GPU Name
Tonga
Navi 32 XT (215-180000006)
GPU Variant
Tonga XT (215-0851313)
RDNA 3.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
28.1 billion
Transistors
5 billion
346 mm²
Die Size
366 mm²
Board Design
263W
TDP
200W
600 W
Suggested PSU
550 W
1x HDMI 2.1a 3x DisplayPort 2.1
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 8-pin
Power Connectors
1x 6-pin + 1x 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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