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GPU Comparison
ATI Radeon HD 2950 XTX vs AMD Radeon RX 580 2048SP
ATI Radeon HD 2950 XTX vs AMD Radeon RX 580 2048SP
VS
ATI Radeon HD 2950 XTX
AMD Radeon RX 580 2048SP
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2950 XTX and 4GB VRAM Radeon RX 580 2048SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 2950 XTX 's Advantages
Lower TDP (110W vs 150W)
AMD Radeon RX 580 2048SP 's Advantages
Boost Clock1284MHz
Larger VRAM bandwidth (224.0GB/s vs 72.06GB/s)
1728 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 2950 XTX
0.497 TFLOPS
Radeon RX 580 2048SP
+958%
5.259 TFLOPS
Radeon HD 2950 XTX
VS
Radeon RX 580 2048SP
Graphics Card
Unknown
Release Date
Oct 2018
Radeon R600
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1168 MHz
-
Boost Clock
1284 MHz
1126 MHz
Memory Clock
1750 MHz
Memory
512MB
Memory Size
4GB
GDDR4
Memory Type
GDDR5
256bit
Memory Bus
256bit
72.06GB/s
Bandwidth
224.0GB/s
Render Config
-
SM Count
-
4
Compute Units
32
320
Shading Units
2048
16
TMUs
128
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
2 MB
Theoretical Performance
12.43 GPixel/s
Pixel Rate
41.09 GPixel/s
12.43 GTexel/s
Texture Rate
164.4 GTexel/s
-
FP16 (half)
5.259 TFLOPS
497.3 GFLOPS
FP32 (float)
5.259 TFLOPS
99.46 GFLOPS
FP64 (double)
328.7 GFLOPS
Graphics Processor
RV670
GPU Name
Polaris 20
RV670 XTX (215-0708004)
GPU Variant
Polaris 20 XL (215-0910052)
TeraScale
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
55 nm
Process Size
14 nm
0.666 billion
Transistors
5.7 billion
192 mm²
Die Size
232 mm²
Board Design
110W
TDP
150W
300 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 8-pin
Graphics Features
10.1 (10_1)
DirectX
12 (12_0)
3.3 (full) 4.0 (partial)
OpenGL
4.6
N/A
OpenCL
2.1
N/A
Vulkan
1.2
-
CUDA
-
4.1
Shader Model
6.4
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