Home GPU Comparison NVIDIA GeForce GTX 780 Ti 6 GB vs AMD Radeon HD 6790

NVIDIA GeForce GTX 780 Ti 6 GB vs AMD Radeon HD 6790

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 Ti 6 GB and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages
Boost Clock928MHz
More VRAM (6GB vs 1024GB)
Larger VRAM bandwidth (336.6GB/s vs 134.4GB/s)
2080 additional rendering cores
AMD Radeon HD 6790 's Advantages
Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)
GeForce GTX 780 Ti 6 GB +297%
5.345 TFLOPS
Radeon HD 6790
1.344 TFLOPS
VS

Graphics Card

Unknown
Release Date
Apr 2011
GeForce 700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

875 MHz
Base Clock
-
928 MHz
Boost Clock
-
1753 MHz
Memory Clock
1050 MHz

Memory

6GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
336.6GB/s
Bandwidth
134.4GB/s

Render Config

-
Compute Units
10
-
-
-
2880
Shading Units
800
240
TMUs
40
48
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
1536 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

55.68 GPixel/s
Pixel Rate
13.44 GPixel/s
222.7 GTexel/s
Texture Rate
33.60 GTexel/s
-
-
-
5.345 TFLOPS
FP32 (float)
1344 GFLOPS
222.7 GFLOPS
FP64 (double)
-

Board Design

250W
TDP
150W
600 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin

Graphics Processor

GK110B
GPU Name
Barts
-
GPU Variant
Barts LE (215-0798002)
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
7.08 billion
Transistors
1.7 billion
561 mm²
Die Size
255 mm²

Graphics Features

12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.5
CUDA
-
5.1
Shader Model
5.0

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