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GPU Comparison
AMD Radeon R9 380 OEM vs ATI Radeon HD 3870 Mac Edition
AMD Radeon R9 380 OEM vs ATI Radeon HD 3870 Mac Edition
VS
AMD Radeon R9 380 OEM
ATI Radeon HD 3870 Mac Edition
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380 OEM and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 380 OEM 's Advantages
Released 6 years and 11 months late
Larger VRAM bandwidth (176.0GB/s vs 72.06GB/s)
1472 additional rendering cores
ATI Radeon HD 3870 Mac Edition 's Advantages
Lower TDP (106W vs 190W)
Score
Benchmark
FP32 (float)
Radeon R9 380 OEM
+561%
3.29 TFLOPS
Radeon HD 3870 Mac Edition
0.497 TFLOPS
Radeon R9 380 OEM
VS
Radeon HD 3870 Mac Edition
Graphics Card
May 2015
Release Date
Jun 2008
Pirate Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
1126 MHz
Memory
4GB
Memory Size
512MB
GDDR5
Memory Type
GDDR4
256bit
Memory Bus
256bit
176.0GB/s
Bandwidth
72.06GB/s
Render Config
-
SM Count
-
28
Compute Units
4
1792
Shading Units
320
112
TMUs
16
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
256 KB
Theoretical Performance
29.38 GPixel/s
Pixel Rate
12.43 GPixel/s
102.8 GTexel/s
Texture Rate
12.43 GTexel/s
3.290 TFLOPS
FP16 (half)
-
3.290 TFLOPS
FP32 (float)
497.3 GFLOPS
205.6 GFLOPS
FP64 (double)
99.46 GFLOPS
Graphics Processor
Antigua
GPU Name
RV670
Antigua PRO (215-0877000)
GPU Variant
RV670 XT (215-0708005)
GCN 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
5 billion
Transistors
0.666 billion
366 mm²
Die Size
192 mm²
Board Design
190W
TDP
106W
450 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
2.0
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
6.3
Shader Model
4.1
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