NVIDIA GeForce GTX 780 Ti 6 GB vs AMD Radeon HD 6990M
GPU Specs Compare
Graphics Card
Release Date
Unknown
Jul 2011
Generation
GeForce 700
Vancouver
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
875 MHz
-
Boost Clock
928 MHz
-
Memory Clock
1753 MHz
900 MHz
Memory
Memory Size
6GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
336.6GB/s
115.2GB/s
Render Config
Shading Units
2880
1120
TMUs
240
56
ROPs
48
32
L1 Cache
16 KB (per SMX)
8 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
-
14
Theoretical Performance
Pixel Rate
55.68 GPixel/s
22.88 GPixel/s
Texture Rate
222.7 GTexel/s
40.04 GTexel/s
FP32 (float)
5.345 TFLOPS
1.602 TFLOPS
FP64 (double)
222.7 GFLOPS
-
Graphics Processor
GPU Name
GK110B
Blackcomb
Architecture
Kepler
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
7.08 billion
1.7 billion
Die Size
561 mm²
212 mm²
GPU Variant
-
Blackcomb XTX(216-0811030)
Board Design
TDP
250W
100W
Suggested PSU
600 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
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