NVIDIA GeForce GTX 780 Ti Engineering Sample vs AMD Radeon R9 M485X

GPU · Specs Compare

Products
GPU NVIDIA GeForce GTX 780 Ti Engineering Sample NVIDIA
GPU AMD Radeon R9 M485X AMD · 2016-05
Graphics Card
Release Date
Unknown
May 2016
Generation
GeForce 700
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
875 MHz
—
Boost Clock
928 MHz
—
Memory Clock
1753 MHz
1250 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
336.6GB/s
160.0GB/s
Render Config
Shading Units
2880
2048
TMUs
240
128
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
55.68 GPixel/s
23.14 GPixel/s
Texture Rate
222.7 GTexel/s
92.54 GTexel/s
FP32 (float)
5.345 TFLOPS
2.961 TFLOPS
FP64 (double)
222.7 GFLOPS
185.1 GFLOPS
FP16 (half)
—
2.961 TFLOPS
Graphics Processor
GPU Name
GK180
Amethyst
GPU Variant
GK180-425-A1
Amethyst XT
Architecture
Kepler
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
5 billion
Die Size
561 mm²
366 mm²
Board Design
TDP
250W
250W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.2.175
1.2
CUDA
3.5
—
Shader Model
5.1
6.3
▲ Specs Compare Data sourced from official specifications and benchmark tests.