NVIDIA GeForce GTX 980 Ti vs AMD Radeon HD 6990
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Mar 2011
Generation
GeForce 900
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
1076 MHz
—
Memory Clock
1753 MHz
1250 MHz
Memory
Memory Size
6GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
336.6GB/s
160.0GB/s
Render Config
Shading Units
2816
1536
TMUs
176
96
ROPs
96
32
L1 Cache
48 KB (per SMM)
8 KB (per CU)
L2 Cache
3 MB
512 KB
Compute Units
—
24
Theoretical Performance
Pixel Rate
103.3 GPixel/s
26.56 GPixel/s
Texture Rate
189.4 GTexel/s
79.68 GTexel/s
FP32 (float)
6.060 TFLOPS
2.550 TFLOPS
FP64 (double)
189.4 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
GM200
Antilles
GPU Variant
GM200-310-A1
Antilles XT(215-0807027)
Architecture
Maxwell 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
8 billion
2.64 billion
Die Size
601 mm²
389 mm²
Board Design
TDP
250W
375W
Suggested PSU
600 W
750 W
Outputs
1x DVI1x HDMI 2.03x DisplayPort 1.2
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (12_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.4
N/A
CUDA
5.2
—
Shader Model
6.8
5.0
Benchmark
3DMark Time Spy
5,789
—
3DMark Time Spy Extreme
2,807
—
Shadow of the Tomb Raider 2160p
24
—
Shadow of the Tomb Raider 1440p
45
—
Shadow of the Tomb Raider 1080p
75
—
Blender
544
—
GTA 5 2160p
72
—
GTA 5 1440p
74
—
GTA 5 1080p
120
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.