NVIDIA GeForce GTX 1080 11Gbps vs ATI Radeon HD 3870 Mac Edition
We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 11Gbps 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
NVIDIA GeForce GTX 1080 11Gbps 's Advantages
Released 8 years and 10 months late
Boost Clock1733MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (352.3GB/s vs 72.06GB/s)
2240 additional rendering cores
ATI Radeon HD 3870 Mac Edition 's Advantages
Lower TDP (106W vs 180W)
Score
Benchmark
FP32 (float)
GeForce GTX 1080 11Gbps
+1685%
8.873 TFLOPS
Radeon HD 3870 Mac Edition
0.497 TFLOPS
Graphics Card
Apr 2017
Release Date
Jun 2008
GeForce 10
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1607 MHz
Base Clock
-
1733 MHz
Boost Clock
-
1376 MHz
Memory Clock
1126 MHz
Memory
8GB
Memory Size
512MB
GDDR5X
Memory Type
GDDR4
256bit
Memory Bus
256bit
352.3GB/s
Bandwidth
72.06GB/s
Render Config
-
Compute Units
4
20
SM Count
-
2560
Shading Units
320
160
TMUs
16
64
ROPs
16
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
-
2 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
110.9 GPixel/s
Pixel Rate
12.43 GPixel/s
277.3 GTexel/s
Texture Rate
12.43 GTexel/s
138.6 GFLOPS
FP16 (half)
-
8.873 TFLOPS
FP32 (float)
497.3 GFLOPS
277.3 GFLOPS
FP64 (double)
99.46 GFLOPS
Board Design
180W
TDP
106W
450 W
Suggested PSU
300 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GP104
GPU Name
RV670
GP104-410-A1
GPU Variant
RV670 XT
(215-0708005)
Pascal
Architecture
TeraScale
TSMC
Foundry
TSMC
16 nm
Process Size
55 nm
7.2 billion
Transistors
0.666 billion
314 mm²
Die Size
192 mm²
Graphics Features
12 (12_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full)
4.0 (partial)
3.0
OpenCL
N/A
1.3
Vulkan
N/A
6.1
CUDA
-
6.4
Shader Model
4.1
