AMD Radeon HD 8950 OEM vs NVIDIA GeForce GTX 780 Ti Engineering Sample
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Unknown
Generation
Sea Islands
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
875 MHz
Boost Clock
925 MHz
928 MHz
Memory Clock
1250 MHz
1753 MHz
Memory
Memory Size
3GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
240.0GB/s
336.6GB/s
Render Config
Compute Units
28
—
Shading Units
1792
2880
TMUs
112
240
ROPs
32
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
1536 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
55.68 GPixel/s
Texture Rate
103.6 GTexel/s
222.7 GTexel/s
FP32 (float)
3.315 TFLOPS
5.345 TFLOPS
FP64 (double)
828.8 GFLOPS
222.7 GFLOPS
Graphics Processor
GPU Name
Tahiti
GK180
GPU Variant
Tahiti PRO(215-0821056)
GK180-425-A1
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
7.08 billion
Die Size
352 mm²
561 mm²
Board Design
TDP
200W
250W
Suggested PSU
550 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.2.175
Shader Model
5.1
5.1
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.