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GPU Comparison
AMD Radeon RX 480 vs ATI Radeon HD 3870 X2
AMD Radeon RX 480 vs ATI Radeon HD 3870 X2
VS
AMD Radeon RX 480
ATI Radeon HD 3870 X2
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 480 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 480 's Advantages
Released 8 years and 5 months late
Boost Clock1266MHz
Larger VRAM bandwidth (256.0GB/s vs 57.66GB/s)
1984 additional rendering cores
Lower TDP (150W vs 165W)
Score
Benchmark
FP32 (float)
Radeon RX 480
+1004%
5.834 TFLOPS
Radeon HD 3870 X2
0.528 TFLOPS
Radeon RX 480
VS
Radeon HD 3870 X2
Graphics Card
Jun 2016
Release Date
Jan 2008
Arctic Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1120 MHz
Base Clock
-
1266 MHz
Boost Clock
-
2000 MHz
Memory Clock
901 MHz
Memory
8GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
256bit
256.0GB/s
Bandwidth
57.66GB/s
Render Config
-
SM Count
-
36
Compute Units
4
2304
Shading Units
320
144
TMUs
16
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
2 MB
L2 Cache
256 KB
Theoretical Performance
40.51 GPixel/s
Pixel Rate
13.20 GPixel/s
182.3 GTexel/s
Texture Rate
13.20 GTexel/s
5.834 TFLOPS
FP16 (half)
-
5.834 TFLOPS
FP32 (float)
528.0 GFLOPS
364.6 GFLOPS
FP64 (double)
105.6 GFLOPS
Graphics Processor
Ellesmere
GPU Name
R680
Polaris 10 XT (215-0876184)
GPU Variant
R680 XT (215-0708017)
GCN 4.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
55 nm
5.7 billion
Transistors
0.666 billion
232 mm²
Die Size
192 mm²
Board Design
150W
TDP
165W
450 W
Suggested PSU
450 W
1x HDMI 2.0b 3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
2.1
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
6.4
Shader Model
4.1
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