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GPU Comparison
ATI Radeon HD 4870 Mac Edition vs AMD Radeon R9 380 OEM
ATI Radeon HD 4870 Mac Edition vs AMD Radeon R9 380 OEM
VS
ATI Radeon HD 4870 Mac Edition
AMD Radeon R9 380 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 4GB VRAM Radeon R9 380 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4870 Mac Edition 's Advantages
Lower TDP (150W vs 190W)
AMD Radeon R9 380 OEM 's Advantages
Released 6 years and 4 months late
Larger VRAM bandwidth (176.0GB/s vs 108.8GB/s)
992 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4870 Mac Edition
1.2 TFLOPS
Radeon R9 380 OEM
+174%
3.29 TFLOPS
Radeon HD 4870 Mac Edition
VS
Radeon R9 380 OEM
Graphics Card
Jan 2009
Release Date
May 2015
Radeon R700
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
850 MHz
Memory Clock
1375 MHz
Memory
512MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
108.8GB/s
Bandwidth
176.0GB/s
Render Config
-
SM Count
-
10
Compute Units
28
800
Shading Units
1792
40
TMUs
112
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
29.38 GPixel/s
30.00 GTexel/s
Texture Rate
102.8 GTexel/s
-
FP16 (half)
3.290 TFLOPS
1200 GFLOPS
FP32 (float)
3.290 TFLOPS
240.0 GFLOPS
FP64 (double)
205.6 GFLOPS
Graphics Processor
RV770
GPU Name
Antigua
RV770 XT Mac (215-0669080)
GPU Variant
Antigua PRO (215-0877000)
TeraScale
Architecture
GCN 3.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
5 billion
256 mm²
Die Size
366 mm²
Board Design
150W
TDP
190W
450 W
Suggested PSU
450 W
1x DVI 1x mini-DisplayPort 1.0
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
2x 6-pin
Graphics Features
10.1 (10_1)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
-
CUDA
-
4.1
Shader Model
6.3
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