Radeon HD 6870 vs GeForce GTX 780 Ti 6 GB
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 6GB VRAM GeForce GTX 780 Ti 6 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6870 's Advantages
Lower TDP (151W vs 250W)
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)
1760 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6870
2016
GeForce GTX 780 Ti 6 GB
+165%
5345
Graphics Card
Oct 2010
Release Date
Unknown
Northern Islands
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
875 MHz
-
Boost Clock
928 MHz
1050 MHz
Memory Clock
1753 MHz
Memory
1024MB
Memory Size
6GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
134.4GB/s
Bandwidth
336.6GB/s
Render Config
14
Compute Units
-
1120
Shading Units
2880
56
TMUs
240
32
ROPs
48
8 KB (per CU)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
1536 KB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
55.68 GPixel/s
50.40 GTexel/s
Texture Rate
222.7 GTexel/s
2.016 TFLOPS
FP32 (float)
5.345 TFLOPS
-
FP64 (double)
222.7 GFLOPS
Board Design
151W
TDP
250W
450 W
Suggested PSU
600 W
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Barts
GPU Name
GK110B
Barts XT
(215-0798000)
GPU Variant
-
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
7.08 billion
255 mm²
Die Size
561 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
5.0
Shader Model
5.1
