GeForce GTX 780 Ti Engineering Sample vs Radeon R9 380X
We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 4GB VRAM Radeon R9 380X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 780 Ti Engineering Sample Advantages
Boost Clock928MHz
Larger VRAM bandwidth (336.6GB/s vs 182.4GB/s)
832 additional rendering cores
Radeon R9 380X Advantages
More VRAM (4GB vs 3GB)
Lower TDP (190W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 780 Ti Engineering Sample
+34%
5345
Radeon R9 380X
3973
Graphics Card
Unknown
Release Date
Nov 2015
GeForce 700
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
875 MHz
Base Clock
-
928 MHz
Boost Clock
-
1753 MHz
Memory Clock
1425 MHz
Memory
3GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
336.6GB/s
Bandwidth
182.4GB/s
Render Config
-
Compute Units
32
2880
Shading Units
2048
240
TMUs
128
48
ROPs
32
16 KB (per SMX)
L1 Cache
16 KB (per CU)
1536 KB
L2 Cache
512 KB
Theoretical Performance
55.68 GPixel/s
Pixel Rate
31.04 GPixel/s
222.7 GTexel/s
Texture Rate
124.2 GTexel/s
-
FP16 (half)
3.973 TFLOPS
5.345 TFLOPS
FP32 (float)
3.973 TFLOPS
222.7 GFLOPS
FP64 (double)
248.3 GFLOPS
Board Design
250W
TDP
190W
600 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GK180
GPU Name
Antigua
GK180-425-A1
GPU Variant
Antigua XT
(215-0877016)
(215-0877016)
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
5 billion
561 mm²
Die Size
366 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.2.175
Vulkan
1.2
3.5
CUDA
-
5.1
Shader Model
6.3
