Home GPU Comparison ATI Radeon HD 3870 Mac Edition vs AMD Radeon RX 470

ATI Radeon HD 3870 Mac Edition vs AMD Radeon RX 470

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 4GB VRAM Radeon RX 470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages
Lower TDP (106W vs 120W)
AMD Radeon RX 470 's Advantages
Released 8 years and 2 months late
Boost Clock1206MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (211.2GB/s vs 72.06GB/s)
1728 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 3870 Mac Edition
0.497 TFLOPS
Radeon RX 470 +893%
4.94 TFLOPS
VS

Graphics Card

Jun 2008
Release Date
Aug 2016
Radeon R600
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
926 MHz
-
Boost Clock
1206 MHz
1126 MHz
Memory Clock
1650 MHz

Memory

512MB
Memory Size
4GB
GDDR4
Memory Type
GDDR5
256bit
Memory Bus
256bit
72.06GB/s
Bandwidth
211.2GB/s

Render Config

4
Compute Units
32
-
-
-
320
Shading Units
2048
16
TMUs
128
16
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

12.43 GPixel/s
Pixel Rate
38.59 GPixel/s
12.43 GTexel/s
Texture Rate
154.4 GTexel/s
-
FP16 (half)
4.940 TFLOPS
497.3 GFLOPS
FP32 (float)
4.940 TFLOPS
99.46 GFLOPS
FP64 (double)
308.7 GFLOPS

Board Design

106W
TDP
120W
300 W
Suggested PSU
300 W
2x DVI 1x S-Video
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

RV670
GPU Name
Ellesmere
RV670 XT (215-0708005)
GPU Variant
Polaris 10 PRO (215-0876204)
TeraScale
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
55 nm
Process Size
14 nm
0.666 billion
Transistors
5.7 billion
192 mm²
Die Size
232 mm²

Graphics Features

10.1 (10_1)
DirectX
12 (12_0)
3.3 (full) 4.0 (partial)
OpenGL
4.6
N/A
OpenCL
2.1
N/A
Vulkan
1.2
-
-
-
4.1
Shader Model
6.4

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