NVIDIA GeForce GTX 1080 11Gbps vs AMD Radeon HD 6990
GPU · Specs Compare
Graphics Card
Release Date
Apr 2017
Mar 2011
Generation
GeForce 10
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1607 MHz
—
Boost Clock
1733 MHz
—
Memory Clock
1376 MHz
1250 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5X
GDDR5
Memory Bus
256bit
256bit
Bandwidth
352.3GB/s
160.0GB/s
Render Config
SM Count
20
—
Shading Units
2560
1536
TMUs
160
96
ROPs
64
32
L1 Cache
48 KB (per SM)
8 KB (per CU)
L2 Cache
2 MB
512 KB
Compute Units
—
24
Theoretical Performance
Pixel Rate
110.9 GPixel/s
26.56 GPixel/s
Texture Rate
277.3 GTexel/s
79.68 GTexel/s
FP16 (half)
138.6 GFLOPS
—
FP32 (float)
8.873 TFLOPS
2.550 TFLOPS
FP64 (double)
277.3 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
GP104
Antilles
GPU Variant
GP104-410-A1
Antilles XT(215-0807027)
Architecture
Pascal
TeraScale 3
Foundry
TSMC
TSMC
Process Size
16 nm
40 nm
Transistors
7.2 billion
2.64 billion
Die Size
314 mm²
389 mm²
Board Design
TDP
180W
375W
Suggested PSU
450 W
750 W
Outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (12_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
6.1
—
Shader Model
6.4
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.