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GPU Comparison
ATI Radeon HD 2950 XTX vs AMD Radeon RX 580
ATI Radeon HD 2950 XTX vs AMD Radeon RX 580
VS
ATI Radeon HD 2950 XTX
AMD Radeon RX 580
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2950 XTX and 8GB VRAM Radeon RX 580 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 185W)
AMD Radeon RX 580 's Advantages
Boost Clock1340MHz
Larger VRAM bandwidth (256.0GB/s vs 72.06GB/s)
1984 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 2950 XTX
0.497 TFLOPS
Radeon RX 580
+1142%
6.175 TFLOPS
Radeon HD 2950 XTX
VS
Radeon RX 580
Graphics Card
Unknown
Release Date
Apr 2017
Radeon R600
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1257 MHz
-
Boost Clock
1340 MHz
1126 MHz
Memory Clock
2000 MHz
Memory
512MB
Memory Size
8GB
GDDR4
Memory Type
GDDR5
256bit
Memory Bus
256bit
72.06GB/s
Bandwidth
256.0GB/s
Render Config
-
SM Count
-
4
Compute Units
36
320
Shading Units
2304
16
TMUs
144
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
42.88 GPixel/s
12.43 GTexel/s
Texture Rate
193.0 GTexel/s
-
FP16 (half)
6.175 TFLOPS
497.3 GFLOPS
FP32 (float)
6.175 TFLOPS
99.46 GFLOPS
FP64 (double)
385.9 GFLOPS
Graphics Processor
RV670
GPU Name
Polaris 20
RV670 XTX (215-0708004)
GPU Variant
Polaris 20 XTX (215-0910038)
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
185W
300 W
Suggested PSU
450 W
2x DVI 1x S-Video
Outputs
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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