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GPU Comparison
AMD Radeon R9 380X vs ATI Radeon HD 4870 Mac Edition
AMD Radeon R9 380X vs ATI Radeon HD 4870 Mac Edition
VS
AMD Radeon R9 380X
ATI Radeon HD 4870 Mac Edition
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 380X 's Advantages
Released 6 years and 10 months late
Larger VRAM bandwidth (182.4GB/s vs 108.8GB/s)
1248 additional rendering cores
ATI Radeon HD 4870 Mac Edition 's Advantages
Lower TDP (150W vs 190W)
Score
Benchmark
FP32 (float)
Radeon R9 380X
+231%
3.973 TFLOPS
Radeon HD 4870 Mac Edition
1.2 TFLOPS
Radeon R9 380X
VS
Radeon HD 4870 Mac Edition
Graphics Card
Nov 2015
Release Date
Jan 2009
Pirate Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1425 MHz
Memory Clock
850 MHz
Memory
4GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
182.4GB/s
Bandwidth
108.8GB/s
Render Config
-
SM Count
-
32
Compute Units
10
2048
Shading Units
800
128
TMUs
40
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
31.04 GPixel/s
Pixel Rate
12.00 GPixel/s
124.2 GTexel/s
Texture Rate
30.00 GTexel/s
3.973 TFLOPS
FP16 (half)
-
3.973 TFLOPS
FP32 (float)
1200 GFLOPS
248.3 GFLOPS
FP64 (double)
240.0 GFLOPS
Graphics Processor
Antigua
GPU Name
RV770
Antigua XT (215-0877016)
GPU Variant
RV770 XT Mac (215-0669080)
GCN 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
5 billion
Transistors
0.956 billion
366 mm²
Die Size
256 mm²
Board Design
190W
TDP
150W
450 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x mini-DisplayPort 1.0
2x 6-pin
Power Connectors
2x 6-pin
Graphics Features
12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
-
6.3
Shader Model
4.1
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