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GPU Comparison
AMD Radeon RX 550 vs ATI Radeon HD 2900 XTX
AMD Radeon RX 550 vs ATI Radeon HD 2900 XTX
VS
AMD Radeon RX 550
ATI Radeon HD 2900 XTX
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 550 's Advantages
Boost Clock1183MHz
Larger VRAM bandwidth (112.0GB/s vs 106.0GB/s)
192 additional rendering cores
Lower TDP (50W vs 240W)
Score
Benchmark
FP32 (float)
Radeon RX 550
+154%
1.211 TFLOPS
Radeon HD 2900 XTX
0.476 TFLOPS
Radeon RX 550
VS
Radeon HD 2900 XTX
Graphics Card
Apr 2017
Release Date
Unknown
Polaris
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 1.0 x16
Clock Speeds
1100 MHz
Base Clock
-
1183 MHz
Boost Clock
-
1750 MHz
Memory Clock
828 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
512bit
112.0GB/s
Bandwidth
106.0GB/s
Render Config
-
SM Count
-
8
Compute Units
4
512
Shading Units
320
32
TMUs
16
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
256 KB
Theoretical Performance
18.93 GPixel/s
Pixel Rate
11.89 GPixel/s
37.86 GTexel/s
Texture Rate
11.89 GTexel/s
1211 GFLOPS
FP16 (half)
-
1211 GFLOPS
FP32 (float)
475.5 GFLOPS
75.71 GFLOPS
FP64 (double)
-
Graphics Processor
Lexa
GPU Name
R600
Lexa PRO (215-0904018)
GPU Variant
R600 XTX A11 (215RGMDKA11FG)
GCN 4.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
80 nm
2.2 billion
Transistors
0.72 billion
103 mm²
Die Size
420 mm²
Board Design
50W
TDP
240W
250 W
Suggested PSU
550 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
None
Power Connectors
2x 6-pin
Graphics Features
12 (12_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full) 4.0 (partial)
2.1
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
6.4
Shader Model
4.0
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