AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 780 Ti Engineering Sample
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Unknown
Generation
Mobility Radeon
GeForce 700
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1082 MHz
875 MHz
Boost Clock
1218 MHz
928 MHz
Memory Clock
1500 MHz
1753 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
384bit
Bandwidth
48.00GB/s
336.6GB/s
Render Config
Compute Units
10
—
Shading Units
640
2880
TMUs
40
240
ROPs
16
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1536 KB
Theoretical Performance
Pixel Rate
19.49 GPixel/s
55.68 GPixel/s
Texture Rate
48.72 GTexel/s
222.7 GTexel/s
FP16 (half)
1.559 TFLOPS
—
FP32 (float)
1.559 TFLOPS
5.345 TFLOPS
FP64 (double)
97.44 GFLOPS
222.7 GFLOPS
Graphics Processor
GPU Name
Polaris 23
GK180
GPU Variant
Polaris 23 XT
GK180-425-A1
Architecture
GCN 4.0
Kepler
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
2.2 billion
7.08 billion
Die Size
103 mm²
561 mm²
Board Design
TDP
50W
250W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
600 W
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.2.175
Shader Model
6.4
5.1
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.