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GPU Comparison
AMD Radeon RX 8800 XT vs ATI Radeon HD 4870 X2
AMD Radeon RX 8800 XT vs ATI Radeon HD 4870 X2
VS
AMD Radeon RX 8800 XT
ATI Radeon HD 4870 X2
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 8800 XT and 1024MB VRAM Radeon HD 4870 X2 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 1024GB)
Larger VRAM bandwidth (624.1GB/s vs 115.2GB/s)
3296 additional rendering cores
Lower TDP (220W vs 286W)
Score
Benchmark
FP32 (float)
Radeon RX 8800 XT
+1559%
19.91 TFLOPS
Radeon HD 4870 X2
1.2 TFLOPS
Radeon RX 8800 XT
VS
Radeon HD 4870 X2
Graphics Card
Unknown
Release Date
Aug 2008
Navi IV(RX 8000)
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1295 MHz
Base Clock
-
2430 MHz
Boost Clock
-
2438 MHz
Memory Clock
900 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
624.1GB/s
Bandwidth
115.2GB/s
Render Config
64
Compute Units
10
-
-
-
4096
Shading Units
800
256
TMUs
40
96
ROPs
16
-
-
-
64
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
256 KB
64 MB
L3 Cache
-
Theoretical Performance
233.3 GPixel/s
Pixel Rate
12.00 GPixel/s
622.1 GTexel/s
Texture Rate
30.00 GTexel/s
39.81 TFLOPS
FP16 (half)
-
19.91 TFLOPS
FP32 (float)
1200 GFLOPS
622.1 GFLOPS
FP64 (double)
240.0 GFLOPS
Board Design
220W
TDP
286W
550 W
Suggested PSU
600 W
1x HDMI 2.1a3x DisplayPort 2.1
Outputs
2x DVI 1x S-Video
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Navi 48
GPU Name
R700
Navi 48 XT
GPU Variant
R700 XT (215-0669045)
RDNA 4.0
Architecture
TeraScale
TSMC
Foundry
TSMC
4 nm
Process Size
55 nm
Unknown
Transistors
0.956 billion
Unknown
Die Size
256 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
-
-
6.8
Shader Model
4.1
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