AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 780 6 GB
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Sep 2013
Generation
Mobility Radeon
GeForce 700
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1082 MHz
863 MHz
Boost Clock
1218 MHz
902 MHz
Memory Clock
1500 MHz
1502 MHz
Memory
Memory Size
2GB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
384bit
Bandwidth
48.00GB/s
288.4GB/s
Render Config
Compute Units
10
—
Shading Units
640
2304
TMUs
40
192
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
43.30 GPixel/s
Texture Rate
48.72 GTexel/s
173.2 GTexel/s
FP16 (half)
1.559 TFLOPS
—
FP32 (float)
1.559 TFLOPS
4.156 TFLOPS
FP64 (double)
97.44 GFLOPS
173.2 GFLOPS
Graphics Processor
GPU Name
Polaris 23
GK110B
GPU Variant
Polaris 23 XT
GK110-301-B1
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_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.1
Shader Model
6.4
5.1
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.