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Comparison
GeForce GTX 780 vs Radeon HD 6870
GeForce GTX 780 vs Radeon HD 6870
VS
NVIDIA GeForce GTX 780
AMD Radeon HD 6870
We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 780 's Advantages
Released 2 years and 7 months late
Boost Clock902MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.4GB/s vs 134.4GB/s)
1184 additional rendering cores
Radeon HD 6870 's Advantages
Lower TDP (151W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 780
+106%
4156
Radeon HD 6870
2016
GeForce GTX 780
VS
Radeon HD 6870
Graphics Card
May 2013
Release Date
Oct 2010
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
151W
600 W
Suggested PSU
450 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
2x 6-pin
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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