Home GPU Comparison NVIDIA GeForce GTX 1080 11Gbps vs AMD Radeon R9 285X

NVIDIA GeForce GTX 1080 11Gbps vs AMD Radeon R9 285X

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 11Gbps and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 11Gbps 's Advantages
Boost Clock1733MHz
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (352.3GB/s vs 264.0GB/s)
512 additional rendering cores
Lower TDP (180W vs 200W)

Score

Benchmark

FP32 (float)
GeForce GTX 1080 11Gbps +116%
8.873 TFLOPS
Radeon R9 285X
4.104 TFLOPS

Graphics Card

Apr 2017
Release Date
Unknown
GeForce 10
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1607 MHz
Base Clock
-
1733 MHz
Boost Clock
-
1376 MHz
Memory Clock
1375 MHz

Memory

8GB
Memory Size
3GB
GDDR5X
Memory Type
GDDR5
256bit
Memory Bus
384bit
352.3GB/s
Bandwidth
264.0GB/s

Render Config

-
Compute Units
32
20
SM Count
-
2560
Shading Units
2048
160
TMUs
128
64
ROPs
32
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
768 KB
-
-
-

Theoretical Performance

110.9 GPixel/s
Pixel Rate
32.06 GPixel/s
277.3 GTexel/s
Texture Rate
128.3 GTexel/s
138.6 GFLOPS
FP16 (half)
-
8.873 TFLOPS
FP32 (float)
4.104 TFLOPS
277.3 GFLOPS
FP64 (double)
-

Board Design

180W
TDP
200W
450 W
Suggested PSU
550 W
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GP104
GPU Name
Tonga
GP104-410-A1
GPU Variant
Tonga XT (215-0851313)
Pascal
Architecture
GCN 3.0
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
7.2 billion
Transistors
5 billion
314 mm²
Die Size
366 mm²

Graphics Features

12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
6.1
CUDA
-
6.4
Shader Model
6.3
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