NVIDIA GeForce GTX 780 6 GB vs AMD Radeon HD 6850 1440SP Edition
GPU · Specs Compare
Graphics Card
Release Date
Sep 2013
Aug 2012
Generation
GeForce 700
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
863 MHz
—
Boost Clock
902 MHz
—
Memory Clock
1502 MHz
1000 MHz
Memory
Memory Size
6GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
128.0GB/s
Render Config
Shading Units
2304
1440
TMUs
192
72
ROPs
48
32
L1 Cache
16 KB (per SMX)
8 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
—
18
Theoretical Performance
Pixel Rate
43.30 GPixel/s
23.20 GPixel/s
Texture Rate
173.2 GTexel/s
52.20 GTexel/s
FP32 (float)
4.156 TFLOPS
2.088 TFLOPS
FP64 (double)
173.2 GFLOPS
417.6 GFLOPS
Graphics Processor
GPU Name
GK110B
Cypress
GPU Variant
GK110-301-B1
Cypress PRO(215-0735043)
Architecture
Kepler
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
7.08 billion
2.154 billion
Die Size
561 mm²
334 mm²
Board Design
TDP
250W
151W
Suggested PSU
600 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (11_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.1
N/A
CUDA
3.5
—
Shader Model
5.1
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.