Radeon HD 6990 vs TITAN X Pascal
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 12GB VRAM TITAN X Pascal to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
TITAN X Pascal 's Advantages
Released 5 years and 5 months late
Boost Clock1531MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (480.4GB/s vs 160.0GB/s)
2048 additional rendering cores
Lower TDP (250W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2550
TITAN X Pascal
+330%
10970
Graphics Card
Mar 2011
Release Date
Aug 2016
Northern Islands
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1417 MHz
-
Boost Clock
1531 MHz
1250 MHz
Memory Clock
1251 MHz
Memory
2GB
Memory Size
12GB
GDDR5
Memory Type
GDDR5X
256bit
Memory Bus
384bit
160.0GB/s
Bandwidth
480.4GB/s
Render Config
24
Compute Units
-
-
SM Count
28
1536
Shading Units
3584
96
TMUs
224
32
ROPs
96
8 KB (per CU)
L1 Cache
48 KB (per SM)
512 KB
L2 Cache
3 MB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
147.0 GPixel/s
79.68 GTexel/s
Texture Rate
342.9 GTexel/s
-
FP16 (half)
171.5 GFLOPS
2.550 TFLOPS
FP32 (float)
10.97 TFLOPS
637.4 GFLOPS
FP64 (double)
342.9 GFLOPS
Board Design
375W
TDP
250W
750 W
Suggested PSU
600 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Antilles
GPU Name
GP102
Antilles XT
(215-0807027)
GPU Variant
GP102-400-A1
TeraScale 3
Architecture
Pascal
TSMC
Foundry
TSMC
40 nm
Process Size
16 nm
2.64 billion
Transistors
11.8 billion
389 mm²
Die Size
471 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (12_1)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
6.1
5.0
Shader Model
6.4