Home GPU Comparison NVIDIA GeForce GTX 780 Ti Engineering Sample vs AMD Radeon HD 6870 1600SP Edition

NVIDIA GeForce GTX 780 Ti Engineering Sample vs AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages
Boost Clock928MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (336.6GB/s vs 134.4GB/s)
1280 additional rendering cores
AMD Radeon HD 6870 1600SP Edition 's Advantages
Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)
GeForce GTX 780 Ti Engineering Sample +96%
5.345 TFLOPS
Radeon HD 6870 1600SP Edition
2.72 TFLOPS
VS

Graphics Card

Unknown
Release Date
Jan 2013
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

3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
336.6GB/s
Bandwidth
134.4GB/s

Render Config

-
Compute Units
20
-
-
-
2880
Shading Units
1600
240
TMUs
80
48
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
1536 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

55.68 GPixel/s
Pixel Rate
27.20 GPixel/s
222.7 GTexel/s
Texture Rate
68.00 GTexel/s
-
-
-
5.345 TFLOPS
FP32 (float)
2.720 TFLOPS
222.7 GFLOPS
FP64 (double)
544.0 GFLOPS

Board Design

250W
TDP
175W
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

GK180
GPU Name
Cypress
GK180-425-A1
GPU Variant
Cypress XT (215-0735033)
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
7.08 billion
Transistors
2.154 billion
561 mm²
Die Size
334 mm²

Graphics Features

12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.2.175
Vulkan
N/A
3.5
CUDA
-
5.1
Shader Model
5.0

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