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GPU Comparison
AMD Radeon RX 6800 XT vs ATI Radeon HD 5950
AMD Radeon RX 6800 XT vs ATI Radeon HD 5950
VS
AMD Radeon RX 6800 XT
ATI Radeon HD 5950
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 1024MB VRAM ATI Radeon HD 5950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6800 XT 's Advantages
Boost Clock2250MHz
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (512.0GB/s vs 128.0GB/s)
3168 additional rendering cores
Lower TDP (300W vs 302W)
Score
Benchmark
FP32 (float)
Radeon RX 6800 XT
+893%
20.74 TFLOPS
ATI Radeon HD 5950
2.088 TFLOPS
Radeon RX 6800 XT
VS
ATI Radeon HD 5950
Graphics Card
Oct 2020
Release Date
Unknown
Navi II
Generation
Evergreen
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1825 MHz
Base Clock
-
2250 MHz
Boost Clock
-
2000 MHz
Memory Clock
1000 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
72
Compute Units
18
4608
Shading Units
1440
288
TMUs
72
128
ROPs
32
-
Tensor Cores
-
72
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
512 KB
Theoretical Performance
288.0 GPixel/s
Pixel Rate
23.20 GPixel/s
648.0 GTexel/s
Texture Rate
52.20 GTexel/s
41.47 TFLOPS
FP16 (half)
-
20.74 TFLOPS
FP32 (float)
2.088 TFLOPS
1296 GFLOPS
FP64 (double)
-
Graphics Processor
Navi 21
GPU Name
Hemlock
Navi 21 XT (215-121000177)
GPU Variant
Hemlock PRO
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
26.8 billion
Transistors
2.154 billion
520 mm²
Die Size
334 mm²
Board Design
300W
TDP
302W
700 W
Suggested PSU
700 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
CUDA
-
6.5
Shader Model
5.0
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