AMD Radeon HD 7990 vs NVIDIA GeForce GTX 780 Ti 6 GB
GPU · Specs Compare
Graphics Card
Release Date
Apr 2013
Unknown
Generation
Southern Islands
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
950 MHz
875 MHz
Boost Clock
1000 MHz
928 MHz
Memory Clock
1500 MHz
1753 MHz
Memory
Memory Size
3GB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
288.0GB/s
336.6GB/s
Render Config
Compute Units
32
—
Shading Units
2048
2880
TMUs
128
240
ROPs
32
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
1536 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
55.68 GPixel/s
Texture Rate
128.0 GTexel/s
222.7 GTexel/s
FP32 (float)
4.096 TFLOPS
5.345 TFLOPS
FP64 (double)
1024 GFLOPS
222.7 GFLOPS
Graphics Processor
GPU Name
Malta
GK110B
GPU Variant
Malta XT(215-0849026)
—
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
7.08 billion
Die Size
365 mm²
561 mm²
Board Design
TDP
375W
250W
Suggested PSU
750 W
600 W
Outputs
1x DVI4x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.