Home GPU Comparison NVIDIA GeForce GTX 780 vs AMD Radeon HD 6870 X2

NVIDIA GeForce GTX 780 vs AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 's Advantages
Released 1 years and 10 months late
Boost Clock902MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.4GB/s vs 134.4GB/s)
1184 additional rendering cores
Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)
GeForce GTX 780 +106%
4.156 TFLOPS
Radeon HD 6870 X2
2.016 TFLOPS
VS

Graphics Card

May 2013
Release Date
Jul 2011
GeForce 700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

863 MHz
Base Clock
-
902 MHz
Boost Clock
-
1502 MHz
Memory Clock
1050 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.4GB/s
Bandwidth
134.4GB/s

Render Config

-
Compute Units
14
-
-
-
2304
Shading Units
1120
192
TMUs
56
48
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
1536 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

43.30 GPixel/s
Pixel Rate
28.80 GPixel/s
173.2 GTexel/s
Texture Rate
50.40 GTexel/s
-
-
-
4.156 TFLOPS
FP32 (float)
2.016 TFLOPS
173.2 GFLOPS
FP64 (double)
-

Board Design

250W
TDP
300W
600 W
Suggested PSU
700 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
1x 6-pin + 1x 8-pin
Power Connectors
-

Graphics Processor

GK110
GPU Name
Barts
GK110-300-A1
GPU Variant
Barts XT (215-0798000)
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_0)
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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