Home 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

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
More VRAM (4GB vs 512GB)
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
VS

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

-
-
-
-
-
-
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

10
Compute Units
28
-
-
-
800
Shading Units
1792
40
TMUs
112
16
ROPs
32
-
-
-
-
-
-
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

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 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

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
-
-
-
4.1
Shader Model
6.3

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