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GPU Comparison
AMD Radeon RX 7800 XT vs ATI Radeon HD 3850
AMD Radeon RX 7800 XT vs ATI Radeon HD 3850
VS
AMD Radeon RX 7800 XT
ATI Radeon HD 3850
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 512MB VRAM Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7800 XT 's Advantages
Released 15 years and 9 months late
Boost Clock2430MHz
Larger VRAM bandwidth (624.1GB/s vs 53.12GB/s)
3520 additional rendering cores
ATI Radeon HD 3850 's Advantages
Lower TDP (75W vs 263W)
Score
Benchmark
FP32 (float)
Radeon RX 7800 XT
+8619%
37.32 TFLOPS
Radeon HD 3850
0.428 TFLOPS
Radeon RX 7800 XT
VS
Radeon HD 3850
Graphics Card
Aug 2023
Release Date
Nov 2007
Navi III
Generation
Radeon R600
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
830 MHz
Memory
16GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
256bit
Memory Bus
256bit
624.1GB/s
Bandwidth
53.12GB/s
Render Config
-
SM Count
-
60
Compute Units
4
3840
Shading Units
320
240
TMUs
16
96
ROPs
16
-
Tensor Cores
-
60
RT Cores
-
128 KB per Array
L1 Cache
-
4 MB
L2 Cache
256 KB
Theoretical Performance
233.3 GPixel/s
Pixel Rate
10.69 GPixel/s
583.2 GTexel/s
Texture Rate
10.69 GTexel/s
74.65 TFLOPS
FP16 (half)
-
37.32 TFLOPS
FP32 (float)
427.5 GFLOPS
1166 GFLOPS
FP64 (double)
85.50 GFLOPS
Graphics Processor
Navi 32
GPU Name
RV670
Navi 32 XT (215-180000006)
GPU Variant
RV670 PRO (215-0708003)
RDNA 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
28.1 billion
Transistors
0.666 billion
346 mm²
Die Size
192 mm²
Board Design
263W
TDP
75W
600 W
Suggested PSU
250 W
1x HDMI 2.1a 3x DisplayPort 2.1
Outputs
2x DVI 1x S-Video
2x 8-pin
Power Connectors
1x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
2.2
OpenCL
N/A
1.3
Vulkan
N/A
-
CUDA
-
6.7
Shader Model
4.1
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